2.知识发现式活动
例8 课题:七下unit2 grammar
★Task 2:Observe the sentences and answer the question:“How can we use imperatives correctly?”
Turn left!
Don’t smoke!
Go downstairs,please!
Let’s keep our face with a smile always!
Be quiet,please!
Don’t be late for class.
从结构上讲,祈使句中一般没有________,但根据其句意,实际上是省略了________。
祈使句句末用________或句号。
祈使句有肯定式和________。我们在肯定句中使用动词的________开头。