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A. Present perfect form

(+) S + have/has + V3/ed
(-) S + haven't/hasn't + V3/ed
(?) Have/Has + S + V3/ed ?

B. Present perfect usages

1. Actions that have occurred that have lasted until the present or the future
Ex:  I have lived in Bien Hoa city for 18 years.
2. Describe what you did and still do today
Ex: I’ve played the guitar ever since I was a teenager.
3. Use a clause with "since" to indicate when something starts in the past
Ex: I have worked here since I left the university.
4. Describe an important experience so far
Ex:  I've never been to Paris.

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I.Forms:
(+) S +has+has/have +V3/ed
(-) S+has/have +not+V3/ed
(? )Has/have +S+ V3/ed ?
II. Usages:

1. Talk about unfinished actions or states or habits that started in the past and continue to the present
E.g: She has lived in London for three years.

2. Actions that were repeated many times in the past and may even be repeated in the present or future
E.g: Susan really loves that film. She has seen it eight times!

3. Actions which happened in the past, but have an effect in the present
E.g: He has lost his key.

4. About a past but important action at the time of speaking
E.g: I can't get my house. I have lost my keys.

5.An experience up to the present time (usually using the adjectihemy ever)
E.g: My last birthday was the worst day I have ever had.
Indentification sign :

Just = Recently = Lately: gần đây, vừa mới.
Already:rồi.
Before:trước đây.
Ever:đã từng.
Never:chưa từng, không bao giờ
For + quãng thời gian:trong khoảng (for a year, for a long time, …)
Since + mốc thời gian:từ khi (since 1992, since June,...)
*USE BEEN/GONE:
Use have/has been when someone has gone to a place and returned
E.g: I have been to Los Angeles.

Use have/has gone, when someone has not returned
E.g: She has gone to Paris for a week. She'll be back tomorrow.

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I. FORMS
(+) S+ am/is/are + V-ing
(-) S + am/is/are + not +V-ing
(?) -> yes/no question :
Q:  Am/ Is/ Are + S + Ving?
A: Yes, S + am/is/are
No, S+ am/is/are + not

-> wh-question: Wh- + am/ are/ is (not) + S + Ving?
II. USAGES
- Describe an action that is happening at the moment of speakng.

E.g: my mom is watching TV now
- Express an action that is happening not necessarily at the time of speaking
E.g: I am reading the book '' yeu em tu cai nhin dau tien"
- Express an action that is about to happen in the near future, Usually epresses a prescheduled plan
E.g: I am flying to Japan tomorrow.
- Describes frequetly repeated actions that annoy or upset the speaker. This is used to complain and is used with the adverb of frequency ''always, continually''

E.g: He is always coming late.

- Describe something more developed, more innovatine

E.g: The plants are growing quickly.

- Describes something new, in contrast to what was there before

E.g:  Most people are using email instead of writing letters.

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I. FORM
PAST SIMPLE
(+) S+V2/ED
(-) S+DIDN'T+V0
(?) DID+S+V0?
TO BE:
(+) S+WAS/WERE+N/ADJ
(-)S+WAS/WERE+NOT+N/ADJ
(?)WAS/WERE+S+N/ADJ?
II. USAGES
-Express an action that was interrupted by an action in progress in the past
Ex:When I was having breakfast, the phone suddenly rang.
-Used in conditional sentences type II
Ex:If I were you, I would do it.
-Describe an event that happened during a period of time in the past and ends completely in the present
Ex:I lived in Ha Noi for 2 years
- Describes an event that happened at a specific point in the past and ended completely in the present
Ex:They went to the concert last night.

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1. FORMS
(+) S + V2/ed ... , S + was/ were ...
(-) S + did/ didn't + V ..., S + wasn't/ weren't ...
(?) Did + S + V ?, Was/ Were + S ...?
2. USAGES
- The past simple shows us that an action was in the past , not in the present. Regular past simple verbs  divided into 2 categories : have ed at the end or irregular verb
Ex: He kissed me on the cheek
- In the negative simple past tense, we borrow the auxiliary verb " did + not "( abbreviates as " didn't) , the verb follows in the infinitive
Ex: I didn't go to school because i was sick this morning .
-Simple past tense questions are divided into two types: Yes/No questions and WH questions. Use Was/ Were in simple past interrogative sentences.
EX: Did she miss the class yesterday?
Were they at school yesterday?

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PAST CONTINUOS

1. Forms
( +) S + was/were + v_ing
( - ) S + wasn't/weren't + v_ing
( ? ) Was/Were + S + v_ing ?

2. Usages
-To emphasize something that lasted for a while, past habits
E.g: She was always doing the laundry.
-Describe an action that was happening at a certain time in the past
E.g: I was doing homework at 6 p.m. yesterday.
-To describe two or more actions were happening at the same time in the past.
E.g: Mom was cooking while I were watching TV this morning.
-To describe an interrupted action in the past.
E.g: He was writing a letter when the pen ran out of ink.

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I. FROM:
(+) S + was/were + V-ing ...
(-) S + was/were + not + V-ing ...
(?) Was / Were + S + V-ing ... ?
II. USAGES:
- Overlapping action
E.g, I was walking to the bus station when I met him.
- Story background
E.g, The birds were singing and the sun was shinning. She waked up.
- Some past habits
E.g, She was constantly singing.
- Emphasis of length of action
E.g, I was working in the garden all day.
- Express two actions that happened at the same time in the past
E.g, While I was cooking, he was using computer.

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I. FORM
(+) S + have/has + V_ed/V3 +...
(-) S + have /has + not + V_ed/V3 +...
(?) WH-word + have/has + S (not) + V_ed/V3 +... ?
(?) Have/has + S + V_ed/V3 +... ?

II. USAGES
- For something that started in the past and continues in the present
E.g: She has lived in USA since 2010

- Talking about our experience up to the present:
E.g: I have played the guitar ever since I was a teenager.

- For something that happened in the past (time unknown) but is important in the present
E.g: Lan isn't at home. I think she has gone shopping.

- Describe a memorable event in your life:
E.g: It is the worst dish that i have ever tried

- Talking about result
E.g: I have finished my homework

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I. FORMS
S + am/is/are + Ving
S + am/is/are + not + Ving
Am/Is/Are + S + Ving?
II. USAGES:
Something which is changing, growing or developing:

Ex: The children are grouwwing up quickly.

Something which is happening before and after a specific time:

Ex: At eight o'clock we are usually having breakfast.

Something which we think is temporary:

Ex :Michael is at university. He's studying history

Something which is new and contrasts with a previous state:

Ex: These days most people are using email instead of writing letters.

Something which happens again and again:

Ex: It's always raining in London.

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1.Form
(+.1) S + V/ V(s/es) + Object…
(+.2) S + am/ is/ are + N/ Adj/ prep clauses
She is at school now.

(-.1) S+ do/ does + not + V +…
(-.2)S + am/ is/ are + not + N/ Adj

(?.1) Do/ Does + S + V ?
(?.2) Am/ Is/ Are + S + N/ Adj?

2.USAGES
-Talk about habits
Ex:I usually play soccer at 4 p.m
-Talk about the truth, the obvious truth
Ex: The sun rises in the East and sets in the West
-It happens in the future. This is often used to talk about a fixed timetable, program or plan
Ex:We plan to camp at 6am this morning

10:16

The bus no.6 arrives at the station every 15 minutes.
-Used in conditional sentences type 1
Ex:What should you do if you don't win the gymnastics award?

Tin nhắn mới

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PRESENT SIMPLE
I. FORM
1. VERBS
( + ) S                           + V (-s, -es)
( - ) S + don't/doesn't + V
( ? ) Do/Does + S         + V ?
2. TO BE
( + ) S + am/is/are + O
( - ) S + am/is/are + not + O
( ? ) Am/is/are + S + O ?
II. USAGES
- Habits
E.g: He always drink coffee every morning.
-  General facts/truths
E.g: Sun rises in the East.
The Earth is not flat.
- Permanent situations
E.g: I live in Ho Chi Minh city
- Short actions now
E.g: She takes the ball and scores a goal!

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I. PRESENT CONTINUOUS
(+) S +am/ is/ are +V - ing....
(-) S +am/ is/ are + not +V - ing....
(?) Am/ Is/ Are + S + V - ing?
II. Usages
- Actions going on at this moment
Ex: She is walking on the street right now
- Temporary situations/ habits/ actions
Ex: Hoang is working in a bar until he finds a job in his field.
-Definite future plans
Ex: He is talking about the picnic tomorrow

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I. FORMS
*Be
(+) S + am/is/are
(-) S + am/is/are + not
(?) Am/Is/Are + S + ...?
*Verbs
(+) I/we/you/they/N(nhiều) + V
He/she/it/N(ít) + Vs/Ves
(-) S(nhiều) + do not + V
S(ít) + does not + V
(?) Do + S(nhiều) + V ...?
Does + S(ít) + V ...?
II. USAGES
-Talk about habits
E.g, I get up early every day
-Talk about the truth
E.g, The sun rises in the East and sets in the West.

-Talk about the truism
E.g, Water boils at 100 degrees
-Talk about the activity occurs frequently/repeat
E.g, The plane takes off at 6 a.m today

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I. FORMS:
(+) S + was/were + V-ing ....
(-) S + was/were not + V-ing .....
(?) Was/Were + S + V-ing ... ?
II. USAGES:
- Actions happening at a specific time in the past.
Ex: I was studying at 7PM last night.
- Interrupted actions in the past.
Ex: I was going to school when i saw an accident.
- Parallel actions in the past.
Ex: I was listening to music while my father was watching TV.

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Past simple
I. Forms:
(+) S + V2.
( - ) S + did not + V1.
( ? ) Did + S + V1 ?
II. Usages:
- Finished actions, states or habits in the past
E.g: He went to the cinema yesterday
- Unreal or imaginary things in the present or future
E.g: I wish I had more time

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PRESENT PERFECT

I. FORMS
(+) S + have/has + PII.
(–) S + have/has + not + PII.
(?) Have/Has + S + PII?

II. USAGES
- talk about: experience, change, continuing situation.
E.g, We have never eaten caviar.

-An action or situation that started in the past and continues in the present.
E.g, I have lived in Bristol since 1984.

-An action performed during a period that has not yet finished.
E.g, She has been to the cinema twice this week

-A repeated action in an unspecified period between the past and now.
E.g, We have visited Portugal several times.

-An action that was completed in the very recent past, expressed by 'just'.
E.g, I have just finished my work.

-An action when the time is not important.
E.g, He has read 'War and Peace'.

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Group 1, 2, 3: PRESENT SIMPLE
Group 4,5,6: PRESENT CONTINUOUS
Group 7, 8,9: PAST SIMPLE
Group 10, 11, 12: PAST CONTINUOUS
Group 13, 14,15,16: PRESENT PERFECT

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I. FORMS
(+) S + V...
(-)...
(?)...
II. USAGES
- talk about habits
E.g, He always goes to bed early.
-....
E.g.,...

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Please work in groups and make a post about the structures and usages of the following tenses

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Please work in groups and make a post about the structures and usages of the following tenses

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1. Present simple
2. Present continuous
3. Past simple
4. Past continuous
5. Present perfect