北师大版英语九年unit7storytelling

北师大版英语九年unit7storytelling内容摘要：

/as I was watching TV. When /As you leave, please take a raincoat with you. He was watching TV while his sister was doing homework. She dances as she sings. 2） before /after 意为“在„„之前 /后”意思相反，从句动作发生在主句动作之前 /后。 since表示“从„„起”，从句一般用一般过去时，主句用现在完成时。 until在肯定句里“表示到„„时为止”，谓语动词是延续性的。 在否定句中表示“直到„„才”，谓语动词是非延续性的。 I went to bed after I finished my homework. I stayed there until he came back. We won’t go to the Great Wall until the rain stops. I haven’t seen him since he came back. （二）重要词组。 1. lay out展开，铺开；设计。 布置；花费 He laid out the map on the table. How much did you lay out for your new car? The gardens are beautifully laid out. 2. asleep adj. sleep n. amp。 v. sleepy adj. fall asleep =be asleep He had a good sleep. Last night he slept very well. I feel very sleepy now. Soon he felt asleep. 3. be busy doing sth. be busy with sth. A little tailor was busy sewing in his house. My mother is busy with the housework now. 4. bet on sth. 对某事打赌 bet against take up a bet同意打赌 make a bet with I bet you can’t do that. 5. point to 指向 point at 表明，暗示 ,指近处的事物 a point of sight视点 five point two a full point句号 He pointed to the high mountai。