1、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
【六年级英语知识点归纳 小学六年级英语知识点整理】如：Can I have some writing paper? Would you like some orange juice?
2、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
3、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;
4、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.
