考博英语语法重点总结（供参照）一、独立主格特性1. 充当句子旳状语。2. 有自己旳主语，同句子旳主语不一致。3. 名词（代词，形容词，副词，介词）+ 分词4. With + 名词 （代词） + 分词 (形容词）例：a) It being raining, I decided to stay at home.b) Speech having been delivered, discussion started.c) he entered the room, with his hands open（holding a rifle).真题剖析(1995) 45 cliffs no longer crumbling, the beaches are 46 of the material which would 47 feed them. 45. A. For B. As C. With D. Because 练习：Do what you need to do to keep the wolf __7__ from the door, the world __8__ your thesis adviser, team leader, or laboratory director. Then use the rest of your time, perhaps at night or on the weekends, to do __9__ you really want to do. 8. A. is B. having C. being D. be二、虚拟语气1. （should）+动词原形It +be 动词+形容词(-able)(essential, odd, vital, absurd, regrettable, desirable…)+that 从句It +be 动词+名词(pity,shame…)+that 从句It +be 动词+过去分词(ordered, begged, voted, moved…)+that 从句部分名词/动词(表达提议，劝说，决定等) +that 从句2. It’s (high, about) time that +动词过去式 would rather +动词过去式真题剖析(1997) … I wouldn’t be truthful if I 47 say that teaching is hard work . … 47. A. do B. did C. don’t D. didn’t(1993)…The Cairo newspapers the next day carried banner headlines about the student demonstration 52 , and they 53 that the professor be sent home. 53. A. ordered B. pleaded C. decided D. demanded练习：Years ago the experts warned us that the car-ownership explosion would demand a lot more give-and-take from all road users. It is high time that we__15__ this message to heart. 15. A. took B. would take C. will take D. should take (2025.3) It is edifying, and it is a source of inner satisfaction e...
