It is very easy for the students to memorize some rules.It is very difficult to use these rulesIt is very easy for the students to memorize some rules.It is very difficult to use these rules to solve some problems.第一句有个for.to.第二句是to
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It is very easy for the students to memorize some rules.It is very difficult to use these rulesIt is very easy for the students to memorize some rules.It is very difficult to use these rules to solve some problems.第一句有个for.to.第二句是to
It is very easy for the students to memorize some rules.It is very difficult to use these rules
It is very easy for the students to memorize some rules.
It is very difficult to use these rules to solve some problems.
第一句有个for.to.第二句是to...to.
第二句能用for ..
It is very easy for the students to memorize some rules.It is very difficult to use these rulesIt is very easy for the students to memorize some rules.It is very difficult to use these rules to solve some problems.第一句有个for.to.第二句是to
第一句:让学生记住一个规则是很容易的
第二句:用这些规则解决一些问题是很难的.
It's adj.for sb to do sth 固定结构,是第一句的.
第二句也可以用,要改就是:It is very difficult for the students to use these rules to solve some problems
第二句的第二个TO,是作目的状语的,和这个固定结构无关.FOR的后面要接动作的执行者.
这是个固定句型,格式为
it is adj for sb to do sth 对某人来说做。。。很。。。
for后面跟某人或某特
to后面跟动词,表示去做某事
所以不能换
It is very easy for the students to memorize some rules.
对学生来说记住这些规定是很容易的
It is ...
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这是个固定句型,格式为
it is adj for sb to do sth 对某人来说做。。。很。。。
for后面跟某人或某特
to后面跟动词,表示去做某事
所以不能换
It is very easy for the students to memorize some rules.
对学生来说记住这些规定是很容易的
It is very difficult to use these rules
使用这些规定很难
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不可以,第一个是for sb/sth to do sth
第二个就是it is difficult to do sth (只不过是use sth to do sth )
学生很容易记得一些规则
使用这些规则去解决问题非常难
不能,介词For常用于引出不定式的逻辑主语
'It is + adj. + for someone to do...'该形容词主要说明的是动作的特性
合适不