<span>It would be useful to investigate this problem. 2 There would be
no results without these experiments. 3 He suggested that you should this
article. 4 I wish I would be about. 5 It is important that you would take part in this
experiment. 6 I brought a book for you so that you could read it. 7 If I were you I would attend this lecture. If you visited the Library you would get some more
information about it. 9 If you had visited the library you would have got some more
information about it. 10. It would be difficult to enter this university.</span>
Is Tom at school on Saturdays?
1. They asked what I had gotten him the day before.
2. He asked what they had done for him.
3. You asked how I must help you.
4. I wondered when I had come back at home.
5. They asked why I was crying then.