houses remained under the ash until
they were rediscovered during the 20th
century.
Revising the –ing form
本课时重难点
重点: ①动词-ing形式的作用 ②动词-ing形式在做状语时的作用 难点: 动词-ing形式的一般式与完成式的区别
用法
例句
让步 Knowing where I live, he never come to see me. (= Though he knows where I live, …) 尽管他知道我的住处, 但从不 来看我。
用法
例句
伴随 I stood there, waiting for her. (= …, and waited for her.) 我站在那儿等她。 结果 It rained heavily, causing severe flooding in the area. (= It rained heavily so that it caused severe flooding in the area.) 在这个地方雨 下的如此大, 以至引发了洪灾。
举一反三 :
① 一般式
主动 doing having done
被动 being done
V-ing
② 完成式
having been done
Exercise 2:
1) 她被蛇咬了三次后, 她看见蛇后就害怕。 Having been bitten by the snake __________________________________
观察下列例句, 思考划线部分作用。 (1) This is an interesting book. ( 定语 ) (2) The man sitting by the window is our maths teacher. ( 定语 ) (3) Seeing the teacher entering the room, the students stood up. ( 状语 ) (4) I saw the boy walking on the street yesterday. ( 宾补 ) (5) Playing football is his favotire sport. (主语 ) (6) I didn’t stop working last night. ( 宾语 ) (7) My work is teaching English. ( 表语 )