《Unit 1 Past and present Grammar 2》
学习目标：1.学习现在完成时的时间副词和时间短语。2.能在语境中运用此时态
课前自主预习: 找出一下句子的时间副词并说出含义。
I have just seen Millie on the playground.
Has Millie called yet? No, she hasn’t.
I have not heard from Millie yet.
I have done my homework already.
I have never read the novel. …
