Main points
- In a clause, the verb group usually comes after the subject and always has a main verb.
- The main verb has several different forms.
- Verb groups can also include one or two auxiliaries, or a modal, or a modal and one or two auxiliaries.
- The verb group changes in negative clauses and questions.
- I waited.
- They killed the elephants.
2 Regular verbs have four forms: the base form, the third person singular form of the present simple, the `-ing' form or present participle, and the `-ed' form used for the past simple and for the past participle.
- ask* asks* asking* asked
- dance* dances* dancing* danced
- reach* reaches* reaching* reached
- try* tries* trying* tried
- dip* dips* dipping* dipped
Irregular verbs may have three forms, four forms, or five forms. Note that `be' has eight forms.
- cost* costs* costing
- think* thinks* thinking* thought
- swim* swims* swimming* swam* swum
- be* am/is/are* being* was/were* been
See the Appendix for details of verb forms.
3 The main verb can have one or two auxiliaries in front of it.
- I had met him in Zermatt.
- The car was being repaired.
The main verb can have a modal in front of it.
- You can go now.
- I would like to ask you a question.
The main verb can have a modal and one or two auxiliaries in front of it.
- I could have spent the whole year on it.
- She would have been delighted to see you.
4 In negative clauses, you have to use a modal or auxiliary and put `not' after the first word of the verb group.
- He does not speak English very well.
- I was not smiling.
- It could not have been wrong.
Note that you often use short forms rather than `not'.
- I didn't know that.
- He couldn't see it.
5 In `yes/no' questions, you have to put an auxiliary or modal first, then the subject, then the rest of the verb group.
- Did you meet George?
- Couldn't you have been a bit quieter?
In `wh'-questions, you put the `wh'-word first. If the `wh'-word is the subject, you put the verb group next.
- Which came first?
- Who could have done it?
If the `wh'-word is the object or an adverbial, you must use an auxiliary or modal next, then the subject, then the rest of the verb group.
- What did you do?
- Where could she be going?
6 Some verb groups have an object or two objects after them.
See Units 72 and 73.
- He closed the door.
- She sends you her love.
Verb groups involving link verbs, such as `be', have a complement after them.
See Unit 80.
- They were sailors.
- She felt happy.
Some verb groups have an adverbial after them.
- We walked through the park.
- She put the letter on the table.
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