1 While Nick (was reading) the magazine, James (was doing) his homework.
2 When we ( entered) the room, the children (were playing) hide-and-seek.
3 When John (comes) home tomorrow, he (will watch) TV.
4 Hi, Nick! How long have you (been) here?- 3 days, I ( came) here last Monday.
5 How long has she (worked) in this bank?
6 Have you ever (been) to the greenhouse?
7 Mrs Brown (has been teaching) English since 1995.
8 Mary can`t answer the phone, she (is washing up) at the moment.
9 If the weekend (is) cold, we (shall not go) to the skating-rink.