中考步步逼近,伊顿教育小编在此给大家陆续整理初中英语语法。语法部分是英语学习的重点和难点。语法知识掌握得好,将大大加快英语学习的进程。而语法知识是在掌握量的单词和短语的基础上才能获得的。因此,单词的形态变化是语法学习的基础之基础。先来看词法----数词、介词。
数词:
(1)数字的表示
三位数数词要在百位和十位(若无十位则和个位)之间加and。
1,000以上的数字,从后向前第三位数加一个“,”,第一个“,”前为thousand,第二个“,”前为million,第三个“,”前为billion。
(2)序数词除了first,second,third外,其余都在基数词尾加-th构成。
(3)分数分子在前,分母在后,分子用基数词,分母用序数词,当分子大于1小时,分母序数词要变成复数。
(4)hundreds(thousands,millions)of……
介词:
(1)表示时间的介词及介词短语
in, at, on, before,after,till,since,for, fromto, until, by,
in the middle of,at the beginning of, at the end of,at half past five,
at night,in a week,in the morning,in class,at sunrise,
in spring/summer/autumn/winter,on Sunday,on Saturday afternoon,
on a winter evening,for a long time,for two months,after school,
since liberation,before lunch,at the time of,at the age of
(2)表示地点的介词及介词短语
in,at,into,to,on,beside,before,behind,above,under,
outside,inside,up,from,far,from,near,across, off, down, among,
past,between,out of,around,in the front of, in the middle of,
at the back of,at the foot of,at home,at the gate,at the table,
in the sky, on the ground,in a tree, in the south,in the sun,
in the bed,on one’s way home,by the side of