自己状语从句.pptVIP

6. As long as you don’t lose heart, you’ll succeed. ( ) 7. Try as he might, he could not find a job. ( ) 8. The old lady treats the boy as if he were his own son. ( ) 9.He is taller than I am.( ) * when/while/as 1. ______ time went on, things began to change. 2.She thought I was talking ahout her daughter,______ ,in fact ,I was talking about my daughter. 3. ______ I accept that he is not perfect, I do actually like the person. 4.I was walking along the road _______ suddenly someone patted me on the shoulder from behind. 5. The students sang _______ they went along. 6.Strike _______ the iron is hot. 7. _____ a child, he lived in the countryside. 8. Be careful ___________ crossing the steet. 9. I was wandering through the street_________ I caught sight of a tailor’s shop. 10. _____________ I was walking down the street, I noticed a police car in front of the store. 转倒装句课件 见下 1.before引导的从句是过去式, 主句是过去时或过去完成时;. 主句为过去时,after从句可用一般过去时代替过去完成时.since从句用过去时态, 主句一般用现在完成时. Conclusion: 条件状语从句中一般用“主将从现”. 虚拟语气在If引导的条件状语从句的使用： 四. 条件状语从句: if, unless, once, as/ so long as（只要）, so far as(据我所知…), would/should/could+动词原形 were/did should do were to do 与将来事实相反 would/should/could+had done had done 与过去事实相反 would/should/could+动词原形 were/did 与现在事实相反 主句 If引导的从句 一般情况下，当主句是将来时的时候，从句要用一般现在时。 如： Do not come unless I call you. You will be late for school if you get up late. 如果你起晚了，你上学将迟到。 I wake up __________the alarm clock rings. ___________the alarm clock had rung.　　　  only if If only if only与only if 只有闹钟响了，我才会醒。 要是闹钟响了，就好了。 if only （要是……，那该多好啊！） 通常省略主句。 If I_______ (be) a bird, I would fly to you. If you ________ (leave) home a little earlier this morning, you _______________ (catch) the bus. _____ bad weather stops me, I jog every day. _______ I arrive at Beijing, I’ll call you. I’ll go ___________________ you go. _______ anything important happens, please call me up. were had left would have caught Unless Once as / so lon