2022年2022年初一英语四种时态讲解

1、精选学习资料 - - - 欢迎下载中学英语四种时态具体讲解（适合初一同学）1. 一般现在时：（1） 表示常常发生（2） 构成：先看主语主语为三单,动词 +s主语非三单,动词用原形；they often watch tv.he often watches tv. 3变化：问句：主语前 +do/does,动词用原形；否定：主语后 +dont/doesn,动t词用原形； do they often watch tv. they don t often watch. tvdoes he often watch tv.he doesn teonftwatch tv.2. 现在进行时：a) 表示现在正在发

2、生；句中常有now,look, listen 等b) 构成：主语 +be+doing she is watching tv now.c) 变化问句：提前 be（ am, is, are） is she watching tv now.否定： be 后+not精品学习资料精选学习资料 - - - 欢迎下载she isn t watching tv now.d) 加 ing 的方法：一般直接 +,去不发音的 e 加,闭音节双写 +；3. 一般过去时：a) 表示 过去的动作或状态,句中常有yesterday, last 等过去的时间；b) 构成：动作：主语 +动词的过去式状态：主语 +was/wer

3、e句中没实意动词 shewatched tv last night.shewas here last night.c) 变化：问句：主语前 +did,动词用原形 did she watch tv last night.was she here last night.否定：主语后 +didn 动t、 词用原形；she didn t watch tv last night.she wasn t watch tv last night.4过去式：一般+ed；e 结尾+d；辅音+y 的,去 y+ied；闭音节双写 +ed；不规章的 120 页；4. 一般将来时：精品学习资料精选学习资料 - - - 欢

4、迎下载a) 表示：将来 ,句中有表示将来的时间： tomorrow.next.soon,in two days 等b) 构成a: 主语+will+do （任何人称）b: 主语+shall+do（仅第一人称 i , we）c:主语+be going to +do如：a ： she willwatch tv this evening. b： we shall watch tv this evening. c： sheis going to watch tv this evening.c) 变化问句：提前 will/shall/bea:will she watch tv this.b: shall we watch tv.c: is she going to watch. 否定：在 will /shall/be后+nota: she won t watch tvb: we shall not watchshan tc: she isn t going to watchthere is a meeting next week. there was a meeting yesterday. there will be a mee