一、作表语：形容词和副词的混用
1. be + adv. -> be + adj.
eg： be rarly -> be rare
2. be + noun. + prep -> be + adj. +prep
eg： be value for -> be valuable for
be fame for -> be famous for
3. be origin based on 错 表语唯一
be forcibily 错
be completely enclosed 对
be originally a poem 对
be typicaly concerned with 对
be generally with 对
┏数+noun.
be + noun./adj./分词 +┃adj.
~~~~~~~~~~~~~~~ ┗分词短语
┗>adv.
二、作宾语时，名词和动名词的混用
*原则：名词比动名词优先
from their kinding 错
food supplying 错
区别：名词作宾语，后面不可接名词
动名词作宾语，后面可接名词
动名词前可加the：the making of any work of art
2011年新托福考试辅导：改错之词性混用
三、状语从句引导词与近义介词/adv.的混用
1. when， while/during， in
* when， while+ noun. 永远错
during + 句子 永远错