Fill in the blanks to practise the use of the Subjunctive Mood.

1) It ... useful to investigate this problem.
2)There ... no results with-out those experiments.
3) He suggested that you ... this article.
4) I wish I ... about it.
5) It is important that you ... in this experiment.
6) I brought a book for you so that you ... it.
7) If I were you, I ... this lecture.
8) If you visited the library, you ... some more information about it.
9) It ... difficult to enter this university.