PREP+OG13语法总结参考.doc

句子残缺 缺动词： 固定搭配 fail to do sth the method is to do sth In contrast with/to Help: help sb (to) do sth, Help( to) do, be helpful in (要注意) estimate用法 estimate (that) （不需加原V） estimate + N + to be N(adj) (prep 2-51) estimate + N + at + 价格等数量词 （估价）（除此概念以外优先用estimated to be表达） 如：40 to 44 million years是时间概念，要用estimated to be 40 to 44 million years old.contrary to：一般接抽象名词(ideas, opinions, or actions)，在句首的时候不需要逻辑主语…as Galileo was convinced that natural phenomena, as manifestations of the laws of physics, would appear the same to someone on the deck of a ship moving smoothly and uniformly through the?water as to a?person standing on land. seem的用法： seem to do sth It seems that+从句 It seems as if+从句 debilitation 和debilitating区别： debilitation虚弱，乏力，debilitating使虚弱的advocate及物动词 argue for the rivals x and y /the rivalry between X and Y be expended on/in sth enshrine通常用被动，enshrine in或者be enshrined in被动语态 as well as有主次之分，A是主，B是次 require的用法： required some time/sbto do sth, Require sb. doing…错误 required to do sth, require that sb(should) do sth require of sb that..(should) do..需要某人做某事 require doing（require主动表被动含义） A require making known to B.. rather/instead单独用时为副词，所以加句子，不能加不定式recommend的用法： 1.推荐，推举，举荐； a)recommend sb. sth.=recommend sth. to sb. 给某人推荐 b)recommend sb. for the job/post/position 给某人推荐岗位（工作） c)recommend sb. as +职务 推荐某人做什么 2.建议，劝告，忠告；【同advise用法一样】 recommend sb. to do sth.建议某人做某事 recommend doing sth.建议做某事 recommend ...that +主语+shoud(在GMAT中必须省略+动词原形+其他【虚拟语气】 ps:区别advise与suggest的用法 没有 suggest sb. to do sth. 其余的一样。 to do sth. takes sb some time; it takes sb some time to do sth ; 当sth.作主语时注意 sth takes sb some time to do 后面不加宾语 aggravating使恼怒和aggravate加重 such A as B结构=A such as B 谓语单复数情况和A一致，因为B只是举例的内容 act like和act as区别： act like用于修饰人，behave in a similar manner, act as=fonction as announce sth to do sth announce something to somebody 或者 announce to somebody something (相当于宾语后置) announce a decision/intention/plan (在这个时候如果plan等后面接to do不会产生t