用法： 结构： Be动词的口诀： 现在分词的构成规则： 现在进行时态的标志词：
he I they
fly _____ _ push ________carry________have _______
notice ______ write_____ smile____
sit_____ lie_____ die____ see_____ tie_____ clap_____ shut_____ run _____ swim_____
they talk at the moment
he run at this time.
1. Look! Mother (cook) lunch .
2. Listen! The teacher is (talk) with her students.
3. Are the children (swim) in the river?
4.I 5. The girl ( not put) on her coat at the moment.
6. It’s 7:35 in the morning. The Greens (have) breakfast.
7. where is Alice ？--She (read) a book in the classroom. 句型转换：
1.They are cleaning the house.（一般疑问句）
2.Sam is at work.（改为同义句）
3.Tom is singing.（改为否定句） 1
he I they
he drink at 6:00 yesterday
1.My father______still________(sleep) at 8 this morning.
2.Tom__________(write) at 7 last night.
3.What_____your parents______(do) at 6 this morning ?
4.I____________(watch) TV when my mother came back.
5._____you______(play) the piano at this time yesterday ? Yes, I_____ .
( ) 1.Look! The boy ______ with his mother in the pool.
A. is swimming B. is swimming C. are swimming D. are swiming
( ) 2.--- What is Tom doing in the classroom --- He ____ on the blackboard.
A. draws B. draw C. is drawing D. are drawing.
( ) 3. It’s ten o’clock and Jack ______ still(仍然) ______ his homework.
A. is, do B. is, doing C. are, do D. are, doing
( )4.They __ a football game from 7 to 9 last night.
A. were watching B watched
( )5.He ____ some cooking at that time, so _____ me
A. did, heard B. did, didn't hear C. was doing, didn't hear
( ) 6.I ______ a letter, so I can’t go out with you.
A. is writing B. am writing C. am writeing