如：Can I have some writing paper?Would you like some orange juice?

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

有规则的有：

(1)直接在名词后加s

如orangeoranges;photophotos;

(2)以x,s,sh,ch结尾的加es

如：boxboxes;glassglasses;waitresswaitresses;watchwatches;peach--peaches

(3)以辅⾳字母加y结尾的改y为i加es

如：studystudies；librarylibraries;hobbyhobbies;familyfamilies;

(4)以f,fe结尾的改f,fe为v＋es如：knifeknives;thiefthieves（注:以o结尾的我们学过的只有mango加es,mangomangoes其余加s,）

不规则的有：

man womanwomen;peoplepeople;childchildren

16动词第三⼈称单数的构成

(1)直接在动词后加s

如：run dancedances

(2)以s,sh,ch,o结尾的加es

如：dogowashwashes;catchcatches

(3)以辅⾳字母加y结尾的改y为i加es

如：studystudies;carrycarries;

17现在分词的构成