小学英语四大时态结构讲解

小学英语四大时态结构

讲解

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一般过去时的陈述句：主语+动词过去式+宾语

一般过去时的否定句：主语+didn't +动词原形+宾语主语+ was/were not +宾语

一般过去时的一般疑问句：Did + 主语+ 动词原形+宾语was/were +主语+宾语

示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用，如：yesterday, last night, in 1999, two weeks ago等。

②表示过去经常或反复发生的动作，常和often, always等表示频度的副词连用。

③规则动词过去式的构成如下：

1）在动词原形末尾+ed: look—looked, play—played

2）结尾是e的动词+d: live—lived, hope—hoped

3）结尾是“元音字母+辅音字母”的重读音节词，先双写这个辅音字母，再+ed: stop—stopped, trip—tripped

4）结尾是“辅音字母+y”的动词，先变y为i，再+ed: study—studied, carry—carried

④不规则动词要逐一记忆，可参考不规则动词表。

一般过去时的特殊疑问句:：特殊疑问词+一般过去时的一般疑问句一般过去时态: （1）表示过去已经发生的事情,通常用“last week, ju st now, yesterday”等词。（2） be 动词的过去式: am/is—was are—

were I/He/she/it was(not)….You/we/they were…. 一般疑问句was, we re 放在句首。（3）过去式基本结构肯定句（Positive）动词过去式 I went shopping last night. 否定句(Negative) Didn’t + 动词原形 I didn’t go shopping last night. 一般疑问句(Yes/No) Did …+ 动词原形… Di d you go shopping last night 特殊疑问句(wh-) What did…+ 动词原形… What did you do last night (4)动词过去式的变化：规则动词的变化：一般动词 +ed planted,watered,climbed 以不发音的e结

尾 +d liked 辅音字母加y结尾 -y+ ied study—studied, cry- cri ed 重读闭音节单词，末尾只有一个辅音字母双写最后一个字母+ed s top –stopped plan - planned 不规则动词的变化：原形过去式原形过去式原形过去式原形过去式 sweep swept teach taught have had go went keep kept think thought do did find found sleep slept buy bought e at ate say said feel felt drink drank is/am was take took read read give ga ve are were mean meant put put sing sang drive drove meet met cut cut begin began speak spoke make made let let ring rang write wrote see sa w fly flew run ran ride rode come came draw drew sit sat hear heard tell told grow grew learn learned/ learnt get got know knew

一般现在时的陈述句：主语+动词原形或单三形式动词（根据主语的变化而变化）+宾语

一般现在时的否定句：主语+don't/doesn't +动词原形+宾语主语+ am/is/are +not +宾语

一般现在时的一般疑问句：Do/Does +主语+动词原形+宾语 Is / Are +主语+ 宾语

特殊疑问句：特殊疑问词+一般现在时的一般疑问句？

（1）表示经常发生的动作或事情，通常用“usually, often, every day, sometimes，always,never”等词。（2）基本结构： I / You / We / They He / She / It 肯定句（Positive）动词原形（V）动词第三人称单数形式（V+S）否定句(Negative) don’t + 动词doesn’t + 动词原形一般疑问句(Yes/No) Do... Yes, I do. Does...(动词原形)...No,she doesn’t. 特殊疑问句(wh-) What do ... How does she...(动词原形) (3)

动词第三人称单数形式 a. Most verbs +s walk-walks b. Verbs ending in a consonant +y -y +ies fly-flies c. Verbs ending in s, sh, ch or x +es watch-watches d. Others do-does ,have-has, go-goes

现在进行时的陈述句：主语+ Be + 现在分词+ 宾语

现在进行时的否定句：主语+ be+ not+ 现在分词+宾语

现在进行时的一般疑问句：Be+主语+现在分词+宾语

现在进行时的特殊疑问句：特殊疑问词+一般疑问句

现在进行时,:（1）表示正在发生的动作，通常用“now,look”. （2）基本形式： be + 动词+ing eg: I am(not) doing my homework.

You/We/They are(not) reading. He/She/It is(not) eating. What are you doing Is he reading （3）动词的现在分词形式（do+ing） Most verbs +ing walk—walking Verbs ending in e -e + ing come—