1)      
to have fun

to have a good time

to have difficulty                     the participle   / doing

to have trouble

to have a hard time

 

2)      Be busy + the Participle  / doing

 

3)      
start/begin

finish                        gerund /doing  or the infinitive / to do  ( the same meaning)

love/like/hate

 

4)
keep                                   

enjoy

mind                                 gerund  / doing

look forward to

 

5)     
 go boating

 

6)   
   don’t mind opening

 

7)   after the verbs with prepositions:

to complain of/about

to dream of/about

to talk of/about

to think of/about

to apologize for

to blame sb for

to forgive sb for

to thank sb for

to keep sb from                        the gerund  /doing

to succeed in

to participate in

to be interested in

to be capable of

to be guilty of

to be tired of

to look forward to

to object to

to be used to

8)      after verb ( agree, decide, afford, forget, hope, manage, learn, refuse, promise, want)  - the infinitive /to do

 

9)      after nouns (it is the book to read) – the infinitive / to do

 

10)      after adjectives (He is difficult) to understand) – the infinitive  / to do

 

11)   after verb stop, remember, forget   - the infinitive / to do or gerund /doing  ( the meaning is different)

                want

                would like        somebody  to  V

                expect

I want Ann to go shopping.

 

Ø  Remember: 

                      feel

                      hear

                      see               somebody    V

                      watch

                      notice

I feel somebody touch my shoulder.

 

Ø  Remember:

                      feel

                      hear

                      see                 somebody   Ving

                      watch

                      notice

I saw Helen dancing in her room.