Why does Jim build that house? → What is the reason Jim builds that house?

Minh didn't go to school yesterday. → Minh was absent from school yesterday.

It was such good weather that we went swimming. → The weather was so good that we went swimming.

Our summer vacation lasts three months. → We have a three-month summer vacation.

We didn't enjoy the trip because of the heavy rain. → The heavy rain prevented us from enjoying the trip.

Going swimming in the summer is interesting. → It is interesting to go swimming in the summer.

This Mathematics test is too difficult for me to finish. → This Mathematics test is not easy enough for me to finish. → What prevents me from finishing this Mathematics test is its difficulty.