Verb tenses – Exercise 317
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| I pick berries every summer. | |
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| (-) She doesn't pick berries. (?) Does she pick berries? |
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| How to form | I/you/we/they — infinitive he/she/it — infinitive + -s |
| Auxiliary verb | do, does |
| Main use | Regular actions, habits, abilities, well-known facts |
| Other uses | Public timetable Stative verbs (think, believe, hope, love, want etc.) News headlines A sequence of short actions |
| Signal words | always, every day/month/year, usually, often, seldom, sometimes etc. |
| I am picking berries at the moment. | |
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| (-) She isn't picking berries at the moment. (?) Is she picking berries at the moment? |
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| Formation | am/is/are + infinitive + -ing |
| Auxiliary verb | am, is, are |
| Main use | The action is happening at the moment of speaking To stress that the situation is temporary, not permanent |
| Another use | Person's habits and behaviour that we don't like: I am always losing things. He is being selfish. |
| Signal words | now, at the moment |
| I have picked all berries from the bush. | |
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| (-) She hasn't picked all berries yet. (?) Has she picked all berries? |
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| Formation | has/have + past participle (the third verb form) |
| Auxiliary verb | has, have |
| Use | To stress the result in relation to the moment of speaking Something has already happened several times and may happen again Have you ever...? I have never... An equivalent of the present perfect continuous for stative verbs |
| Signal words | already, ever, just, never, yet, so far, till now, since, for |
| I have been picking berries for two hours. I'm tired. | |
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| (-) She hasn't been picking berries all this time. (?) Has she been picking berries since morning? |
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| Formation | have/has been + infinitive + -ing |
| Auxiliary verb | have been, has been |
| Use | The action started in the past and has just finished The action started in the past and is still going on |
| Signal words | for, since, how long |