助动词do,does用于一般现在时，其过去式did用于一般过去时。它们通常用在疑问句和否定句中。它们的否定形式：donot=don’t,doesnot=doesn’t,didnot=didn’t。练一练：1、用适当的助动词填空。---Wehaveten.2、找出下列句子中的错误，将序号填入题前括号内，并改正。
助动词（ do, does, did ）
do, does用于一般现在时，其过去式did用于一般过去时。它们通常用在疑问句和否定句中。它们的否定形式：do not = don’t, does not = doesn’t, did not = didn’t。
注意：在一般现在时中，does用于第三人称单数，其余一律用助动词do；助动词do, does, did后面一定要用动词原形。
练一练：
1、用适当的助动词填空。
1) ______you like this magazine?
2) The girl______like bread for breakfast.
3) ---What ______ she ______ at the weekends? ---She usually plays games with her friends.
4) ---Wha______ you do last Sunday? ---I wrote to my friend.
5) ---Did you see a Beijing opera? ---No, I ______.
6) He ______not visit a farm last National Day holiday.
7) They______ not like playing volleyball.
8) --- ______Jim have a picnic with his family every Saturday? ---Yes, he .
9) ______Helen and Yang Ling go to school on foot every day?
10) ---How many kites ______we have? ---We have ten.
2、找出下列句子中的错误，将序号填入题前括号内，并改正。
( ) 1) Did you had a big lunch with your family last Spring Festival?
A. Did B. had C .with
( ) 2) ---What do the boy have in his pencil-box? ---He has a rubber.
A. do B. have C. has
( ) 3) They doesn’t like the film.
A. doesn’ B. like C. film
( ) 4) Do Jim get up at six everyday?
A. Do B. get C. everyday
( ) 5) Don't giving the ball to Liu Tao.
A. Don't B. giving C. to
