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danger that he was very worried. What is it that makes you so unhappy. 一、過(guò)去將來(lái)時(shí) 參照一般將來(lái)時(shí)對(duì)比:用would do、was / were going to do 。 Add these to the sandwich. 把這些加在三明治上。如: The cost of two trips added up to 1,000 dollars. 兩次旅行的費(fèi)用總計(jì)達(dá)1000美元。如: The bad weather added to our difficulties. 惡劣的天氣增加了我們的困難。如: If the tea is too strong, add some more hot water. 如果茶太濃了,再加點(diǎn)開(kāi)水。作“又說(shuō),補(bǔ)充說(shuō)”解時(shí),與直接或間接引語(yǔ)連用。 2. add to意為“增添,增加,增進(jìn)”。加起來(lái)達(dá)到”,該短語(yǔ)不用于被動(dòng)語(yǔ)態(tài)。 如: If you want to eat hot things, you can add red pepper to them. 如果你想吃辣的`東西,可以加些紅辣椒在上面?! g:Scientist as he is,he remains modest. 2, No matter how /However+adv /adj+S+V型 Eg:However difficult pute science is,I will try my best. 二、 祈使句 1,V(原型)開(kāi)頭,will you? 2,祈使句,or/and you will 3,祈使句的回答 肯定回答:Yes,I will. 否定回答:No,I will not. 三、 強(qiáng)調(diào)句型 1, 強(qiáng)調(diào)句基本結(jié)構(gòu):It is+___+that型 2, 強(qiáng)調(diào)句疑問(wèn)句:Is it +___+that型 3, What/why/where+be it that 型 4, It is not until that 型 注意:強(qiáng)調(diào)句的完整性(從句必有引導(dǎo)詞,狀語(yǔ)要有介詞連接)。 二、過(guò)去進(jìn)行時(shí)