句子改错：1.I can see some apples in that oid apple tree.2.One of my classmates are english.3.I can see some apples in that oid apple tree.4.Is it a your ruler?5.Four plus three are seven.6.Mr Green is a good teacher.The students love her very much.7.Lucy and Lily are in different row.8.There aren't some birds in the sky.9.I not have a new pen.10.I can spell it,but you can spell it,too.

一，将in 改成on 。理由是in the tree和on the tree 一个指的是树上有（例如鸟），一个是树上长了（如果子）。 二，将are 改成is。one of 的意思是什么什么中的一个。因此在其之后应为名词复数。而由于指“中的一个”，所以该主语行为第三人称单数形式。

3.I can see some apples on that old apple tree
in改为on(苹果长在树上，介词是on)
4.Is it your ruler
去掉a
5.Four plus three is seven
加减乘除用求答案用单数is
6.Mr Gre is a good teacher.The students love him very much
Mr是先生，后面的her改为him
7.Lucy and Lily are in different rows
8.There aren't any birds in the sky
否定语态，some要变成any
9.I don't have a new pen.

1,I can see some apples in that oid apple tree
I can see some apples on that old apple tree
2,.Is it a your ruler?
.Is it your ruler?
3,Four plus three are seven
Four plus three is seven
4,Mr Green is a good teacher。The students love her very much.
Mr.(加点) Green is a good teacher .The students love him very much.
5，Lucy and Lily are in different row.
Lucy and Lily are in different rows
6,.There aren't some birds in the sky.
.There aren't any birds in the sky.
7,.I not have a new pen.
.I do not have a new pen.
8,.One of my classmates are english.
.One of my classmates is an english.

3.I can see some apples on that old apple tree.
4.Is it your ruler?
5.Four plus three is seven.
6.Mrs. Green is a good teacher.The students love her very much.
7.Lucy and Lily are in different rows.
8.There aren't any birds in the sky.
9.I do not have a new pen.

3.in-- on
4.a去掉
5.are--is
6.her--him
7.row--rows
8.some--any
9.not have--have not