初三英语时态总复习 初中阶段应掌握的时态共有八种,即一般现在时,一般将来时,一般过去时,现在进行时,过去进行时,过去将来时,现在完成时,过去完成时
现从结构,作用,时间状语三方面加以介绍
● 动词形式分五种:1
动词原形→ 2
第三人称单数→ 3
过去式→ 4
过去分词→ 5
现在分词 动词形式 用法及作用 举例 1
动词原形 词典、单词表所给词形,用于一般现在时(主语为复数)及情态动词、助动词后
Flowers smell sweet
They enjoy dancing to the music
You should be more polite
动词原形+ s/es 用于现在时单数第三人称
其词尾变化规则与名词复数变化规则相同
He is a 16-year-old student
She washes her hands several times
动词过去式 用于一般过去时态
I wrote a book last year
We were in Grade Two in 2003
They had many tests last week
过去分词 用于各种完成时态、被动语态
其变化分为规则和不规则两种
We have learned nearly 1600 words
He had written 8 letters before 9
The classroom is cleaned every day
现在分词 用于各种进行时态
现在进行时、过去进行时
词尾以-ING 结尾
You are listening to me explaining
He was having an exam at 8 yesterday
一、一般现在时 其结构为:be动词 肯定句 主语+am,is,are+其它