_下面语文迷网小编为大家带来了高分英语句型50句，希望对你有帮助。
_句型1.
_it (so) happened(chanced) that clause. = *. happened /chanced to do sth. =*.did sth. by chance. 如：
_it happened that he was out when i got there. 当我到那儿时，碰巧他不在。=he happened to be out when i got there.= it chanced that he was out when i got there= he was out by chance when i got there.
_句型2.
_it seems that *. do/ be doing/ have done/ had done= *. seems to do/ be doing/ have done/to be done/to have been done(还有动词appear等可这样使用)如:
_it seemed that he had been to beijing before.他好象以前去过北京。=he seemed to have been to beijing before.
_句型3.
_it is / was 被强调的部分 that(who) 剩余的部分.如：
_it wasn’t until he came back that i went to bed.直到他回来我才睡觉。(一定要注意被强调句型中的谓语动词否定的转移)。 it was because he was ill that he didn’t come to school today.只因为他有病了今天没有来上学。(只能用because而不能用for, as 或since)
_it is i who am a student. 我确实是个学生。(句中am不能用are来代替。)
_句型4.
_it is high time (time/ about time) (that) 主语 should do / did 其它。(从句中的谓语动词用的是虚拟语气。)如:
_it is high time that we should go / went home.我们该回家了。
_句型5.
_it is / was said ( reported…) that 从句. 如：
_it was said that he had read this novel.据说他读过这篇小说。=he was said to have read this novel.
_句型6.
_it is impossible / necessary/ strange…that clause.(从句中的谓语用should do / should have done，其形式是虚拟语气。)如：
_it is strange that he should have failed in this exam.真奇怪，他这次
考试
没有及格。_句型7.
_it is a pity/ a shame…that clause.(注意从句中的谓语动词用should do或should have done的形式，但should可以省略。)如：
_he didn’t come back until the film ended. it was a pity that he should have missed this film. 他直到*结束才回来。他没有看到这部*真可惜。
_句型8.
_it is suggested / ordered/ commanded /…that clause.(从句的谓语动词用should do, 但should可以省略。)如：
_it is suggested that the meeting should be put off.有人建议推迟会议。
_句型9.
_it is/was 表示地点的名词 where 从句。(注意本句不是强调句型，而是以where引导的定语从句。)如：
_it was this house where i was born.请比较：it was in this house that i was born.(后一句是强调句型。)
_句型10.
_it is / was 表示时间的名词 when 从句。(注意本句型也不是强调句型，而是以when引导的定语从句。)如：
_it was 1999 when he came back from the united states. 请比较：it was in 1999 that he came back from the united states.
_句型11.
_it is well-known that 从句。如：
_it is well-known that she is a learned woman.众所周知，她是个知识渊博的妇女。
_句型12.
_it is 段时间 since 主语 did. 请比较：
_it was 段时间 since 主语 had done. 如：
_it is five years since he left here.他已经离开这儿五年了。
_it was five years since he left here.(同上)
_注意下列句型的翻译:it is five years since he lived here.他从这儿搬走已经有五年了。
_句型13.
_it 谓语 段时间 before 主语 谓语.( before引导的是时间状语从句。)如：
_it wasn’t long before the people in that country rose up.没有多久那个*的人民就*了。
_it will be three hours before he comes back.三个小时之后他才能回来。
_句型14.
_it is 形容词(possible, impossible, necessary等) for *. to do. 如：
_it is impossible for me to finish this work before tomorrow.我明天之前完成此工作是不可能的。
_句型15.
_it is (心理品质方面的)形容词 of *. to do.= 主语 be 形容词 to do.(常用的形容词有：kind, stupid; foolish, good, wise等。)如：
_it is kind of you to * me.=you are kind to * me.你真好给我提供了帮助。
_二、定语从句：
_句型16.
_由as引导的非限定性的定语从句。如：
_as we have known, he is a most good student.众所周知，他是个很好的学生。请比较：it is well-known that he is a most good student.(前一个是定语从句，而后者是个主语从句。)
_句型17.
_由which引导的非限定性的定语从句。如：
_he is a professor, which i have been looking forward to becoming. 他是个教授，那是我一直盼望的职业。(因为先行词professor是表示职业的名词，因此引导词用which，而不用who。
_句型18.
_由where, when引导的定语从句(其中包括限定性的或非限定性的。)如：
_this is the house where i used to come.请比较：this is the house which / that i used to come to.
_this is the day when i joined the party.请比较：this is the day which / that i joined the party on.
_(说明：关于that与which之间的区别，请看关系代词that和which的区别。)
_三、让步状语从句
_句型19.
_no matter what / which / who / where / when / whose 从句， 主句.(注意从句中的时态一般情况下用一般现在时态。)如：
_no matter what you do, you must do it well.请比较：what*r you do, you must do it well. 无论你做什么，一定要做好。
_no matter where you go, please let me know.请比较：wher*r you go, please let me know.你无论去哪儿，请*我。
_(说明：这两种句型形式不同，而意义完全相同。)
_(注意：i will tell who*r would like to read it. 句中的who*r不能用whom*r来代替。因为它即作动词tell的宾语，又作后面从句的主语。)
_四、条件状语从句
_句型20. __