新人教版英語八年級下冊Unit6_語法課件(unless,_as_soon_as,_so...that)

1、unit6 語法專項課件語法專項課件（unless, as soon as, sothat的用法）的用法）初中英語人教版八年級下冊初中英語人教版八年級下冊語法透析語法透析考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練unless的常見用法unless引導(dǎo)條件狀語從句，意為“除非，如果不”。unless = if not。youll fail in english unless you work hard.well miss the bus unless we walk more quickly.考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練a

2、s soon as的常見用法as soon as引導(dǎo)時間狀語從句，意為“一就”。引導(dǎo)時間狀語的連詞包括when, while, until, till, before, after等。as soon as i have finished, ill give you a call.ill write to you as soon as i get to beijing.考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練sothat的常見用法1. so形容詞或副詞that .引導(dǎo)肯定的結(jié)果狀語從句，意思是“如此以致于”。2. so形容詞或副詞that .引導(dǎo)否定的結(jié)果狀語從句，意思是“如此以致于不能

3、”。the sunshine is so nice that i want to go swimming.sothatthe camera is so expensive that i cant afford it.考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練易錯點1在時間狀語從句和條件狀語從句中，應(yīng)該使用一般現(xiàn)在時代替一般將來時，簡稱“主將從現(xiàn)”原則。unless/as soon as引導(dǎo)狀語從句的“主將從現(xiàn)”原則主祈從現(xiàn)主情從現(xiàn)考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練易錯點1well be late unless we speed up.ill return the book

4、as soon as i finish it.（主將從現(xiàn)）（從現(xiàn)）（主將）考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練易錯點1please call me as soon as you get there.（主祈從現(xiàn)）（從現(xiàn)）（主祈）考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練易錯點1（主情從現(xiàn)）you cant pass the exam unless you study hard.（主情）（從現(xiàn)）考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練易錯點2一般情況下，unless相當于ifnot，可以互換，遵循“主將從現(xiàn)”原則。i wont let you in unless you

5、show me your pass.unless與ifnoti wont let you in if you dont show me your pass.考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練易錯點3結(jié)構(gòu)不一樣so that/sothat的區(qū)別so that后跟句子（目的狀語從句/結(jié)果狀語從句）sothat的結(jié)構(gòu)為： so形容詞或副詞that從句考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練易錯點3so that引導(dǎo)結(jié)果狀語從句（因此、所以）或目的狀語從句（以便、為了）。sothat只可以引導(dǎo)結(jié)果狀語從句（如此以致于）。表達含義不一樣考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)

6、練易錯點3the speaker speaks loudly so that all of us can hear him. maria likes this dress so that she decides to buy it at once. the boy ran so fast that i couldnt catch him. (目的狀語從句)(結(jié)果狀語從句)(結(jié)果狀語從句)考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練解析解析【典例1】_ youve tasted them, you cant imagine how delicious the dishes are. a. b

7、ecause b. although c. when d. unless考查連接詞。句意：如果你不嘗一嘗，你就想象不到這些菜有多美味！because因為，although盡管，when當時候，unless如果不，根據(jù)題意只能選unless?？键c大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練解析解析【典例2】 as soon as he returns to hometown, he _ his grandparents. a. visit b. visits c. will visit d. visited考查連接詞as soon as的用法。句意：他一回到家鄉(xiāng)，就去看望他爺爺奶奶了。as soon as引導(dǎo)的從句“主將從現(xiàn)”，主句選一般將來時will visit。考點大觀考點大觀易錯辨析易錯辨析通關(guān)訓(xùn)練通關(guān)訓(xùn)練解析解析【典例3】david was _ careless _ he didnt find the mistakes in hi