Срочно!!!!!!
1 We (to wait) till my mother (to come) back.
2 We (to go) to the Russia Museum when my friend (to come) to St. Peterburg
3 l (to sing) this song with you if you (to tell) me the words
4 They (to buy) A new car as soon as they (to earn) A lot of money.
5 When she (to arrive), l (to Phone) you.
6 She (to meet) you at the railway station if she (to BE) in St. Petersburg now.
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1)we will wait or we're waiting ....isn't coming

2)we will go; we're going... aren't coming

3)I'm not singing...if you're telling..

4)They're buying.. they aren't earning

5)she's arriving,I'm not phoning...

6)she's meeting you..if she isn't..