2. Presentation（呈现if+will(主将出现)的句式）

(1) Ask and answer

T: What will you do if it rains tomorrow/your friend is late/you lose your watch/your teacher gives you more homework?

S: I will... if it rains tomorrow/my friend is late/I lose my watch/my teacher gives me more homework .

（教师从前面的歌曲自然导入目标句型，让学生自然地根据提示熟悉并应用句型）

(2) Find rules

T: What will you do if it rains tomorrow/your friend is late/you lose your watch/your teacher gives you more homework

S: I will call him/her if my friend is late.

主句 从句

（教师结合前面的歌曲，自然问答后引入关键句型。）

T: Let's find the rules!

S:

If I ______ (go) to the party , I ________ (have) a great time.

If I ________ (have) a lot of money, I _________ (help) others.

If she_______ (open ) the box, she _______ (find) a teddy bear.