1、 连接两个主语时，谓语动词与其 较近 的主语一致。
2、 在定语从句中，当先行词指物时，下列情况的关系词宜用that而不用which
3、 先行词做从句的宾语时，可省略引导词
4、 Over time, the population grew, people began cutting food into small pieces so it would cook more quickly.
5、There is little doubt in your mind that he is innocent(无辜的).
6、表示伴随，意为“随着”。如：
7、① but 与though不连用：
8、neither...nor...
9、He had to sell his luxury car, ________ his company was in debt．
10、2019·天津十二区县重点中学联考)You may search on the Internet for professors and their courses about the university may interest you.
11、We are fully prepared for________lie ahead.
12、 not…but... 表示 “不是…而是…” 用于连接两个性质相同的词或短语。如：
13、 非限制性定语从句中无引导词that；
14、—You got full marks in the English test! How do you learn English?
15、2019·福建六校联考)Get yourself familiar with local laws and customs of the countries to
16、 The games my parents taught me I was a child turned out to be very useful later in my life.
17、 当that引导的从句主语是非谓语或主语从句时
18、________ students decide which college to go to, they should research the admission procedures．
19、and连接两个数词或连接百位和十位之间的数词，前者可译为“加”，后者则不译。如：
20、表示“当…时候”或“每当”的时间连词。主要的 when, while, as, whenever。如：
21、在状语从句中，用连词来连接从句
22、 (2017山东师大附中二模)My first task was to decide____to go and _____to get there.
23、考查表示对比的用法，其意为“而”“但”。如：
24、我的朋友走过来，握着我的手，兴奋地说再见
25、 It’s time to start by reading aloud to might like it.
26、判断是否为名词性从句： 看主句是否完整（同位语从句除外）
27、 (2015浙江，6)If you swim in a river or lake,be sure to investigate(检查)_____is below the water surface.Often there are rocks or branches(树枝)hidden in the water.
28、② 不是完整句考虑关系代词：that;who;which;whom;whose
29、三建议：suggest,advise,recommend,（propose）;
30、He is not _______I thought he was.
31、 (2016北京海淀其中)We agree to accept_____they thought was the best professor in the college.
32、① who:指代先行词是人(可做从句的主语或宾语)
33、 (2014四川，2)Grandma pointed to the hospital and said”That’s_______I was born.”
34、when the meeting will begin is not decided now.
35、关系副词：when;where;why(该三个词主要用于从句是不缺主语或是宾语的情况即从句是个完整句)
36、 not only...but (also)...
37、在状语从句中，不能用副词来连接从句
38、 引导词 即who:起连接的作用
39、② which:指代先行词是物（做从句的主语或宾语）
40、—I felt very proud when I saw many things made in China during my stay in Europe.
41、 Do not let any failures discourage you,for you can never tell____close you may be to victory.
42、 先行词 即 the man：被定语从句饰的词称为先行词
43、because，as，since, because，as，since用来引导原因状语从句。例如：
44、 表示条件，意为“如果”“万一”。如：
45、2019·潍坊实验中学模拟)At 16, I left home to do part-time jobs, made me understand “East or west, home is the best” better.
46、 当that 宾语从句前有 it作其形式宾语时
47、②连接词：and, but, or, that, which......
48、根据定语从句中的 谓语动词或形容词 来选用介词
49、② 先行词为all、much、little、none、few、one、something、anything等不定代词时。
50、 If you are going to kill the snake,you have to get close to____the head is and cut it off.
51、The dress you bought is really nice, ________it’s too small for me.
52、We have to say goodbye now, ________ our friendship will last forever.
53、 当not only…but also连接两个主语时，谓语动词的数原则上与其 相近 的主语保持一致。如：
54、 (2015届师大附中适应性月考卷3）if discipline(训练) can drive a man of 72 to train so hard and enjoy it, could I imagine discipline could serve every single one of us?
55、 用于not…but…，表示“不是……而是……”
56、⑤ 当主句中含有疑问词which时。
57、表示原因，引导原因状语从句时，其谓语动词可以是动作动词，也可以是状态动词。如：
58、让我们移开那块石头。否则可能会有意外发生。
59、When you read the book, you'd better make a mark ________ you have any question．
60、 The mother held the baby in her front paws much the way a human does. it cried, she rocked it back and forth and gave it little comforting pats,
61、Everybody should play a part in protecting endangered animals, ________ they will die out in the near future.
62、 when，while，till，until，before，after，as soon as, as, when, while, till until, before, after, as soon as等连词用事引导时间状语从句。例如：
63、名词性从句中主句和从句的一致 （时态一致）
64、 whether,if： 表“是否”，从句完整时使用
65、I want to know____you did last night.
66、分类：主语从句；宾语从句；表语从句；同位语从句；
67、 Something made me think of Jim did that night in the cafe.
68、妈妈买给我一件礼物，但我不喜欢。
69、考查表示让步的用法，其意为“尽管”“虽然”。如：
70、 用于next (last) but one 中，表示“隔壁再过去”“倒数第……”
71、He didn't pass the exam and he felt disappointed.
72、 Every year,______makes the most beautiful kite(风筝) will win a prize in the Kite Festival.
73、 can’t help but 不由得不……
74、I won't lend you my car ________ you promise you will not drive after drinking．
75、状语从句中，只应该使用一个连词
76、① 先行词被A.形容词最高级 B.序数词 C.数词等修饰或被 only、any、few、little、no、all、one of等修饰时。
77、either...or...
78、and用于固定词组或结构中。如：
79、 They are often think that their parents are out of touch with modern ways,____they are too serious and too strict with their children,and that they seldom give their children freedom.
80、我们刚到达目的地，他们就离开了
81、Yuan Longping’s new rice is helping many countries of the world grow more rice than before, ________ he is called “the Father of Hybrid Rice”.
82、 定语从句谓语动词的单复数由先行词决定。
83、This training program can give you a rise at work, ________ increase your pay by 40%, so you’d better put all your effort into it.
84、2019·河南洛阳第一次统考)It was a time my family was going through financial difficulties.
85、________ the movie star has always been the focus of much media attention, he tries to lead a normal life．
86、表示“自从”或“直到”的时间连词。主要的有since, until, till。如：
87、表示让步，意为“虽然”“尽管”，要用于倒装句（相当于 though，但语气稍弱）。如：
88、 注意定语从句及并列句的转换。
89、2019·河南中原名校联考)I have made a habit of saying“Thank you” to those
90、as if/as though,because特殊用法(了解即可)
91、④ 先行词在主句中作表语关系词在从句中作表语时。
92、1 will buy the coat if it fits me well.加果这件上衣合我身，我将买下。
93、表示时间，意为“当……时候”。如：
94、I will spare a ticket for the newly－made film to _______ desires to get it.
95、 如果连接两个以上的词语，通常把and放在最后一个词语前面；为了强调，可在两者之间分别加上and；把词语连接起来时， 通常把较短的词语放在前面。如：
96、 Not only can he speak English, but he can also speak it very fluently.
97、You should try to get a good night sleep, ________ much work you have to do．
98、二命令：order,command;
99、四要求：require,request,desire,demand;
100、 “介词 + 关系代词” 引导的定语从句
101、2019·山西晋商四校联考)Finally, after four hours, they arrived at the campsite
102、I just want to ask you why I was fired.
103、I don’t know whether he’ll come in time.
104、At that time, there were few doctors, ________ Norman Bethune had to work very hard on his own.
105、Gina won first prize in the singing competition, ________ her parents were proud of her.
106、Paula used to be short and quiet, ________ now she is tall and outgoing.
107、④ whom;指代先行词是人，但只用于从句是缺宾语的情况。
108、 宜用which而不用that的情况
109、He speaks English French. He speaks Chinese.
110、 What,who等与whatever,whoever等的区别