小学英语语法:小学英语1-6年级知识点最全整理
2019-01-28 09:41
来源:小学英语
作者:
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。
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;
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.
名词复数构成的方法
有规则的有:
(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
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;
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;