1.  Because he loved French, Pierre refused to speak any other language.

2.  The most important thing to do is not always obvious.

3.  To keep the passageways clear, they blocked the pedestrian traffic.

4.  The student had four questions to ask the instructor after class.

5.  To do well in that class, you must spend hours in the library.

6.  To do well in that class is my primary goal this semester.

7.  Hemingway reeled the fish in slowly to keep it securely on the line.

8.  We finally found the best actor to play that difficult role.

9.  Jones is attempting to eat forty-five hot dogs.

10.The salesperson altered his pitch to suit each potential buyer.