І. Put the verbs in brackets into the correct tense forms.
1 We (not be able) … to gain this power until the current technology (be changed) … .
2 We (tell) … him when he (return) …home from work.
3 I (not pay) … you until I (get) … the pay cheque.
4 I (not talk) … with him until he (apologize) … to me.
5 When the phone (ring) …, somebody (pick) … it up.
6 Till the streets (be) … full of cars, I (stay) … here
Answers & Comments
Ответ:
1 We will not be able to gain this power until the current technology is changed.
2 We will tell him when he returns home from work.
3 I will not pay you until I get the pay cheque.
4 I will not talk with him until he apologizes to me.
5 When the phone rings, somebody will pick it up.
6 Till the streets are full of cars, I will stay here.
Объяснение: