d Read the text, then look at the highlighted -ing and infinitive forms. Which form do we use: after modal verbs, after adjectives, to show purpose, after certain verbs (decide, appear), after prepositions, as a noun, after expressions (I'm busy etc), after certain verbs (fancy, start, avoid, spend, imagine, suggest etc)?Check in the Grammar Reference.
b Put the verbs in brackets into: -ing form or infinitive (with or without to).
1 Her father always tells her... (study) hard
at school.
2 Do you know how.... (play) the piano?
3 Poppy needs.... (say) sorry to her sister.
4 I’m bored! Do you fancy...... (watch) a DVD
with us?
5 We must..... (visit) grandpa this weekend.
6 I’ve never been to a summer camp but I’d like (go) one day.
