小学阶段四种时态复习
通常在句子中有以下的词：now, look, listen.
句子的结构如下：肯定句：主语+be动词+ V.ing…
否定句：主语+be动词+not + V.ing…
一般疑问句：be动词+主语+ V.ing…？
am，is，are的用法口决：我用am，你用are，is 跟着她，他，它，单数is，复数are其中，动词的ing形式有如下方法：
A. 在动词后直接加ing: go- going , wash-washing, fly—flying
B. 以单个元音+单个辅音+e结尾，去掉e加ing, 如：drive—driving；ride—riding；make—making
C. 某些单词要双写词尾的字母：swim- swimming；run—running；get—getting；
eg：1. I am listening to the music now.
否定：__________________________ 一般疑问句：________________________
2. Listen! She is singing .
否定：__________________________ 一般疑问句：________________________
常与every…, always, usually, often, sometimes等表经常的时间状语连用。
注：当主语是第三人称单数时，谓语动词也要用第三人称单数。
动词第三人称单数：A:直接加s （如，plays）
B:以ch，sh，s，x结尾的单词加es（如，washes, watches）
C:以辅音字母加y结尾的单词，变y为i加es。(studies)
句子结构：肯定句：主语+ V.（主语为三单时加s）…
否定句：主语+助动词do/does+ not + V.(原型)…
一般疑问句：助动词Do/Does +主语+ V.(原型)…？
eg:1. We often play in the playground after school.
否定：__________________________ 一般疑问句：________________________
2. He usually gets up at six o’clock.
否定：__________________________ 一般疑问句：________________________
3. Mike sometimes goes to the park with his sister.
否定：__________________________ 一般疑问句：________________________
4 The sun rises in the east. (太阳从东边升起)
否定：__________________________ 一般疑问句：________________________
：表示事情已经发生。
常见时间状语：last, yesterday, just now, … ago,
句子结构：肯定句：主语+ V.ed…
否定句：主语+助动词did+ not + V.(原型)…
一般疑问句：助动词Did +主语+ V.(原型)…？
eg:1. I had an exciting party last weekend.
否定：__________________________ 一般疑问句：________________________
2. They all went to the mountains yesterday morning.
否定：__________________________ 一般疑问句：________________________
3. The pen was on the desk just now.
否定：__________________________ 一般疑问句：________________________ be动词用过去式：am,is—was; are—were
句子结构：肯定句：主语+ was/were…
否定句：主语+ + was/were +not +…
一般疑问句：was/were+主语+…？
Eg 1. I was a student some years ago.
否定：__________________________ 一般疑问句：________________________
常见时间状语：next，tomorrow, soon等表示将来的时间。
句子结构：be going to+动词原形;
肯定句：主语+be动词+going to + V原形…
否定句：主语+be动词+not + going to + V原形…
一般疑问句：be动词+主语+ going to + V原形…？eg:1. I am going to play football this afternoon.
否定：__________________________ 一般疑问句：______________________ 2. We are going to New York next week.
否定：__________________________ 一般疑问句：______________________ 3. Nancy is going to play the piano tomorrow.
否定：__________________________ 一般疑问句：______________________
