Упр.3d Уроки 4-5 Юнит 2 New Millennium English 9 класс

Study the LOOK box and put the verbs into the right form using the example.

1. By the time I … (be) grown up, our way of life … (be) much more seriously under threat.
2. Our river … (be polluted) until our city … (have) the funds for cleaning it.
3. By the time we … (have) children of our own, the trees we have planted in our school playground … (grow) high.

1. By the time I am grown up, our way of life will be much more seriously under threat.

2. Our river will be polluted until our city has the funds for cleaning it.

3. By the time we have children of our own, the trees we have planted in our school playground will have grown high.