1.  Mrs. Nga began to teach English five years ago.

F  Mrs. Nga has _____taught English for 5 years_______________________________________________________

2.  Playing with matches is very dangerous.    

F It _____is very dangerous to play with matches_________________________________________________________________

3.  My father doesn’t work in this company any longer.

F  My father used ____to work in this company_______________________________________________________

4.  Mr. Smith teaches English very well.

F  Mr. Smith is ________good at teaching English______________________________________________________