1) Употребите глаголы в Present Simple, Present Continuous, Present Perfect, Present Perfect Continuous. а) Your friend (to know) who committed the crime?
б). Nelly (to look) for the keys the whole evening but (not to find) them yet.
в). Where (to be) Mark? – He (to go) home.
2) Употребите глаголы в Past Simple, Past Continuous, Past Perfect, Past Perfect Continuous.
а) The children (to do) their homework before mother (to come) home and when she (to come) they (to play) with the toys.
б). I (to write) my composition for two hours when Nick (to call) but I (not to write) even half of it.
в). Whom you (to see) when you (to drive) to town yesterday?
3) Употребите глаголы в Future Simple, Future Continuous, Future Perfect, Future Perfect Continuous
а) Will you be writing your composition between 4 and 5 on Wednesday? – No, I (to write) it by Monday as the latest.
4) Раскройте скобки, употребив Simple, Continuous, Perfect.
а) He (to choose) his words carefully as he (not to be) sure his audience (to understand) him.
б) He claimed he (not to see) her before.