专四求助！非谓语动词时态问题
1、用to be thinking 表示过去一直在考虑，而不是考虑一下就决定，财政问题需要长久考虑解决
2、如果你要选not having accepted 存在语法错误，accept是短暂动词，另外，have+动词变形表示动作对以后所造成的影响，不符合语境。
3、选 being fired
非谓语动词的时态、
1.不定式
2. 分词过去分词现在分词
3.v+ing
分词：分词相当于形容词、副词。作表语、定语、宾语补足语和状语。分词可分为现在分词、过去分词。
一般式 完成式
现在分词 doing having done having been done 过去分词 done
分词作定语
表被修饰词的特点、特征.单个分词作定语前置，分词短语作定语，放在所修饰词之后。现在分词和过去分词的区别：时态上，现在分词表示正在进行，过去分词表示已经完成；语态上，现在分词表示主动，过去分词表示被动boiling water =the water that is boiling. fallen leaves,
boiled water sleeping child =the child who is asleep a moving film,
a moved girl There was a surprised look on her face at the news.
过去分词作宾补
一.能带现在分词做宾补的动词有
have ,get ,keep ,set ,send ,leave,
catch, hear ,listen to,feel , see , find ,look at ,watch ,observe ,notice
My father had only two men working for him
Don't have the horse running so fast,It's dangerous.
Have you noticed the boy passing across the street ?
分词短语作宾补
二，能带过去分词作宾补的动词有make,have ,get leave及感官动词
see,watch,look at,find hear listen to,feel等
