Использовать present perfect: 1. helen (to be) sick since last week. she (to miss) her grammar test. 2. he (to read) a lot and (to know) a lot. 3. bob’s parents usually (to stay) in the country the whole summer. 4. we (to stay) here for a month, and it (to rain) almost every day. 5. you (to be) at home in the evening?