Last night I watched TV.

昨晚我看了电视。

Yesterday I watched TV with my grandchildren.

昨天我和孙子们一起看电视。

I drove home and I watched... I watched TV.

我开车回家，然后...我看了会儿电视。

I did my homework. Then I watched TV.

我做完了家庭作业。然后看了电视。

I watched TV all night yesterday.

答案： 我昨天看了一夜电视。

I watched TV after I finished my homework.

在我完成家庭作业后，我看了电视。

I watched TV till eleven last night.

昨晚我看电视一直看到十一点。

I did many things. I went to a park. I watched TV.

我做了很多事。我去了公园，又看了电视。

There 're educational stations too. I could learn while I watched TV.

（卫星电视）也有教育电视台嘛。我可以一边看电视一边学习。

I should have finished my homework last night, but I watched TV instead.

昨天晚上我本来应当做完功课，但是我却去看电视了。