牛津译林版英语九年级上Unit6 Grammar教学设计
1.Sing a song—If You Are Happy
If you’re happy and you know it, clap your hands
If you’re happy and you know it, clap your hands
If you’re happy and you know it
Never be afraid to show it
…
1.Free Talk:
If you have a lot of money, what will you do?
What will you do if you have no homework today?
What will you do if you meet Yao Ming?
2. Finish A1;
3. Work out the rule.
1． Lead-in
Talk about pictures by using if-clause and unless-clause.
I will get up at noon if I don’t have to work.
I will get up at noon unless I have to work.
He will play computer games if he doesn’t have homework.
He will play computer games unless he has homework.
My mother will listen to music if she doesn’t have housework to do.
My mother will listen to music unless she has housework to do.
If she doesn’t look up the word in the dictionary, she won’t know its meaning.
She won’t know the word’s meaning unless she looks it up in the dictionary.
2. Finish the exercises on Page 86.
3. Work out the rule.
(1) The unless-clause can come first or after the main clause.
(2) We can use “unless” to say that something can only happen or be true in a particular situation.
(3) Sometimes we can use “if … not” to replace “unless”.