| Task | I ______________ (to know) Alex since 1999. |
|---|---|
| Answer | 3 |
| a | am knowing |
| b | know |
| c | have known |
| d | have knew |
| comment | The action in this sentence started in the Past (1999) and continues in the Present. It means that I still know Alex. In this case we should use the Present Perfect Tense: has/have + Verb (-ed/Past Participle) |
| topic | present tenses |
| level | 1 |
Tags: 403
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