四级寒假语法2安心考研

语法语法1语法2句⼦的时态语态语法3句⼦连接1语法4句⼦连接2：名词性从句语法5句⼦连接3：定语从句语法6句⼦连接4：状语从句语法7⾮谓语使⽤：动名词，不定式语法8⾮谓语使⽤：分词

第⼀章简单句语法

第⼀章简单句语法第⼀章简单句语法例⼦1：Iwillspendayearinthe例⼦2：Wewilllosethespiritofinnova:on.2017.12

第⼀章简单句语法 例⼦1：Theteachersarediscussingaboutthe例⼦2：Wearelearningallthisinforma:oninschools.2017.12

第⼀章简单句语法⽤处：常理，规律现在的事(没有强烈时间点，有点模糊的现在时段dodoes(第三⼈称单数的主语例⼦1：Igetupat例⼦3：Myfrienddoesnotwork例⼦4：Thereisnowayformetoavoidexams2017.12

第⼀章简单句语法 worked/did(参考附录不规则动词变位表例⼦1：Theylivedhere例⼦3：Theauthordroppedoutofcollegesomefortyyears

第⼀章简单句语法⽤处：1持续：做到现在的事2影响：以前影响到现在的事（潜台词haveworkedhave例⼦1：(持续Ihaveworkedherefor5例⼦2：(影响)Ihavealreadytoldyou.（潜台词

第⼀章简单句语法例⼦4：Alothaschangedsincewewerelastinschool2017.12

第⼀章简单句语法Thedoctorsaved wassavedbythe 改成be(根据时态)done(过去分词 was 过去时过去分词 cleanedcleaned wassavedbythe 过去时过去分词 cleanedcleaned ·⼀般现在时情况：do/does amisare+doneIcleantheroomeveryday.Theroomiscleanedbyme5.2不同时态下 ·⼀般过去时情况：did was/were+doneIcleanedtheroomyesterday.改Theroomwascleaned5.2不同时态下 ·⼀般将来时情况：willdo/be willbe+doneIwillcleantheroomtomorrow.Theroomwillbecleaned5.2不同时态下 ·现在完成时情况：havehasdone have/hasbeen+doneIhavecleanedtheroomalready.Theroomhasbeencleaned amis am/is/arebeing+IamcleaningtheroomTheroomisbeingcleanednow.房间正在（被）5.3练习 ItwasfirstwriTenmanycenturiesago.2016.6Theyweretrappedinanundergroundelevator2016.12About15yearsago,IwasinvitedtojoinakniXnggroup.2017.12练习 ItwasfirstwriTenmanycenturiesago.2016.6Theyweretrappedinanundergroundelevator2016.12About15yearsago,Iwas