【要達成的目標】
Review the present perfect continuous tense
Finish the exercises
【“教”與“學”過程】
本堂課使用的電教手段
I.現(xiàn)在完成進行時的構成
have / has been doing sth.
II.現(xiàn)在完成進行時的用法
(1)現(xiàn)在完成進行時表示從過去某一時間開始一直延續(xù)到現(xiàn)在的動作。
現(xiàn)在這個動作可能剛剛終止,也可能仍在進行。
I have been learning English since three years ago
(2)表
示重復。現(xiàn)在完成進行時也用來表示一個動作的重復。
She has been saying that for years.
(3)表示關切、驚異、贊許、憤怒等感情色彩。
Too much has been happening today.
He has always been studying hard.