Exercises:
指出下列句子的基本类型 1．They are listening. 2．My mother is fifty now. 3．I have bought three books.
4．My friend gave me a birthday present. 5．I painted the wall white.
6．The boss often makes the workers work twelve hours a day. 7．They arrived at six o’clock. 8．The map is on the wall 9．Children often sing this song. 10．Mr Wu teaches us English.
11．She showed her friends all her pictures. 12．I find him a lovely boy.