名词的格 在英语中有些名词可以加"'s"来表示所有关系,带这种词尾的名词形式称为该名词的所有格,如:a teacher's book。名词所有格的规则如下: 1) 单数名词词尾加"'s",复数名词词尾没有s,也要加"'s",如the boy's bag 男孩的书包,men's room 男厕所。 2)
其它名词复数的规则变化 1) 以y结尾的专有名词,或元音字母+y 结尾的名词变复数时,直接加s变复数: 如: two Marys the Henrys monkey---monkeys holiday---holidays 比较: 层楼:storey ---storeys story---stories 2) 以o 结尾的名词,变复数时: a. 加s,如:
what/whatever;that/what; who/whoever 1)what = the thing which;whatever = anything What you want has been sent here. Whatever you want makes no difference to me. 2) who= the person that whoever= anyone who (错)Who breaks the law will be punished.
关系代词引导的定语从句 关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时,从句谓语动词的人称和数要和先行词保持一致。 1)who, whom, that 这些词代替的先行词是人的名词或代词,在从句中所起作用……
连词+分词(短语) 有时为使分词短语与主句关系更清楚,可在分词前加连词。 连词有: when,while,if though,after, before, as. 但分词的主语和主句的主语必须为同一个,如: While waiting there, he saw two pretty girls come out of the building. waiting 和saw
一般现在时的用法 1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。 时间状语: every…, sometimes, at…, on Sunday I leave home for school at 7 every morning. 2) 客观真理,客观存在,科学事实。 The earth moves around the sun. Shanghai lies in the
一般现在时的用法 1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。 时间状语: every…, sometimes, at…, on Sunday I leave home for school at 7 every morning. 2) 客观真理,客观存在,科学事实。 The earth moves around the sun. Shanghai lies in the
begin(start) doing/to do begin / start to do sth begin / start doing sth. 1) 谈及一项长期活动或开始一种习惯时,使用doing. How old were you when you first started playing the piano? 你几岁时开始弹钢琴? 2) begin, start用进行时时,后面动词用不定式to
forget doing/to do forget to do 忘记要去做某事。 (未做) forget doing 忘记做过某事。 (已做) The light in the office is stil on. He forgot to turn it off. 办公室的灯还在亮着,它忘记关了。(没有做关灯的动作) He forgot turning the light off. 他忘记他……