1)очень нужна помощь,нужно поставить в правильну часову форму.

1.The meat must be nearly ready. It (is cooking/has cooked/has been cooking) for nearly an hour.

2.He (sleeps/is sleeping/has been sleeping) for two hours and I (forgot/have forgotten/have been forgetting) to wake him.

3.We (learn/have learnt/have been learning) several new idioms today.

4.I (know/have known/have been knowing) him a long time; in fact he is my oldest friend.

5.Our firm (makes/has made/has been making) biscuits ever since the reign of Charles II.

6.I (came/had come/had been coming) to London several times before the war.

7.I (worked/had worked/had been working) for a long time when Mike rang me up.

8.Nick (wrote/was writing/had been writing) a letter when I came.

9.By May my grandfather (will work/will be working/will have been working) at the factory for 20 years.

10.At last you are here! I (wait/am waiting/have been waiting) for you for over twenty minutes.