小学英语必考40个重点知识点
2019-06-24 17:22
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9. 喜欢做某事
用like +动词ing或like+ to + 动原。
如:Su Yang likes growing flowers.苏阳喜欢种花。
The children like to play with lanterns at Spring Festival.孩子们喜欢在春节去玩花灯。
10. 想要做某事
用 would like +to+动原或want + to +动原。
例:I’d like to visit the History Museum.=I want to visit the History Museum
我想去参观历史博物馆。
11. some用法
some用于肯定句中,在否定句和问句中改为any,但当表示委婉语气时仍用some.
如:Can I have some writing paper?
我可以拿一些书写纸吗?
Would you like some orange juice?
你想来一些橙汁吗?
12.代词
人称代词主格做主语用一般放在句首或动词前,主格分别是 I you he she it we you they。宾格做宾语用,一般放在动词或介词后。
如:Open them for me. Let us …, join me等。
宾格分别是me you him her it us you them。
形容词性物主代词放在名词前,不能单独使用,分别是my your his her its our your their;
名词性物主代词相当于形物加名词,它只能单独使用后面不好加名词,分别是mine yours his hers its ours yours theirs。
13. 介词
介词后要么不加动词,加动词只能加动词ing形式
如:be good at running;do well in jumping;
14. 时间介词
季节前,月份前用介词in;
如:in summer;in March
具体的哪一天如星期几,几月几日用介词on;
如:on Saturday; on the second of April; on Wednesday morning
在几点钟前用介词at;
如:at a quarter to four;
只在上下午晚上用in;
如:in the morning/ afternoon/ evening;但在夜间用at night。另:季节,月份和星期前不好加the.
15. 名词复数构成的方法
规则的有:
(1)直接在名词后加s
如orange—oranges; photo—photos;
(2) 以x, s, sh, ch结尾的加es
如:box—boxes; glass—glasses; waitress—waitresses; watch—watches;peach--peaches
(3) 以辅音字母加y结尾的改y为i加es
如:study—studies;library—libraries; hobby—hobbies; family—families;
(4)以f, fe结尾的改f, fe 为v+es
如:knife—knives; thief—thieves(注:以o结尾的我们学过的只有mango加es, mango—mangoes其余加s,)
不规则的有:
man—men; woman—women; people—people; child—children
16. 动词第三人称单数的构成
(1)直接在动词后加s
如:run—runs; dance—dances
(2)以s,sh,ch,o结尾的加es
如:do—does;go—goes;
wash—washes;catch—catches
(3)以辅音字母加y结尾的改y为i加es
如:study—studies; carry—carries;
17. 现在分词的构成
(1)直接在动词后加ing
如:sing—singing; ski—skiing;
(2)双写词尾加ing
如:swim—swimming; jog—jogging;run—running;
(3)以不发音的e结尾的去e加ing
如:ride—riding; dance—dancing; make—making;
18. 动词过去式的构成