PEP小学英语四种时态
- 格式:doc
- 大小:22.00 KB
- 文档页数:4
pep小学英语四大基本时态
一、一般现在时
1.一般现在时表示一般情况下经常发生的动作或存在的状态。常与 usually,
sometimes, often, always等词连用。
2.一般现在时的谓语动词为be动词时,be的变化遵循“我用am, 你用are, is用在他她它,复数全用are”的规律。
3.一般现在时的谓语动词为其它动词时,当主语为第三人称单数时,动词要用第三人称单数形式。如:Mary likes Chinese.玛丽喜欢汉语。
4.动词第三人称单数的变化规则:
(1)一般的动词,直接在词尾加s,如:cook-cooks, like-likes.
(2)以s,x,sh,ch,o等结尾的动词,加es,如:wash-washes, watch-watches, go-goes, do-does.
(3)以辅音字母加y结尾的动词,变y为i, 再加es,如:study-studies.
(4)不规则变化,如:have-has.
否定句:主语+ be + not +其它。如:He is not a worker.他不是一名工人。
一般疑问句:Be +主语+其它? 如:Are you a student?
(2)行为动词的变化。
否定句:主语+ don't( doesn't ) +动词原形(+其它)。如:I don't like bread. 当主语为第三人称单数时,要用doesn't构成否定句。如:He doesn't like PE.
一般疑问句:Do( Does ) +主语+动词原形+其它? 如:Do you often play chess?
当主语为第三人称单数时,要用does构成一般疑问句。如:Does she like PE?
特殊疑问句:疑问词+一般疑问句?如:How does your father go to work?
现在进行时
1.现在进行时表示现在正在进行或发生的动作。常与now连用,当句首有look, listen时,也用现在进行时。
2.现在进行时肯定句的基本结构为:主语+ be动词+动词的现在分词(doing,即动词的ing形式)
(1)其中be动词随着主语的变化而变化,be动词包括am, is, are。
(2)动词现在分词的变化规则:
A 一般情况下,直接在动词后加ing,如:cook-cooking.
B 以不发音的e结尾的动词,去掉e后加ing,如:make-making, dance-dancing.
C 以重读闭音节结尾的动词,双写末尾字母后加ing, 如:run-running, swim-swimming.
D 以ie结尾的动词,变ie为y,再加ing, 如:lie-lying, die-dying.
3.现在进行时的否定句:在be动词后面加not。
4.现在进行时的一般疑问句:把be动词提到句首,首字母大写,句尾改成问号
一般过去时
1.一般过去时表示在过去的某一时间里发生的事情,我们用动词的过去式来表示。常与yesterday, last night,just now, a moment ago等表示过去的时间状语连用。
2.be动词在一般过去时中的变化:(1)am 和is在一般过去时中变为was。(was
not=wasn’t)
(2)are在一般过去时中变为were。(were not=weren’t)
(3)带有was或were的句子,其否定句、疑问句的变化和is, am, are一样,即否定句在was或were后加not,一般疑问句把was或were提到句首。
3.句中没有be动词的一般过去时的句子:
否定句:didn’t +动词原形,如:Jim didn’t go home yesterday.
一般疑问句:在句首加did,句子中的动词过去式变回原形,如:Did Jim go home yesterday?
4.动词过去式变化规则:
(1)一般情况下,在动词原形后面加ed,如:cook-cooked.
(2)以不发音的e结尾的单音节词,只加d,如:taste-tasted.
(3)以辅音字母加y结尾的词,变y为i,再加ed,如:study-studied.
(4) 以重读闭音节或r结尾,末尾只有一个辅音字母的词,要双写这个字母后再加ed,如:stop-stopped.
(5)不规则变化,如:go-went, sit-sat.
二十一、一般将来时
1.一般将来时表示将要发生的动作或存在的状态及打算、计划或准备做某事。常常与tomorrow, next Sunday等时间状语连用。
2.基本结构:
(1)be going to do sth.(2)will do sth.
3.否定句:在be动词(am, is, are, was, were)或will后加not。
4.一般疑问句:把be动词或will提到句首,some改为any, and改为or,第一、二人称互换。
范文:
1.过去时:(动词用过去式)
Last Weekend
I was busy last weekend. On Saturday morning, I went to the park
with my grandparents. We went fishing there. In the afternoon, I played ping-pong with my friends. It was funny! On Sunday morning, I read
books and did my homework at home. In the afternoon, I went shopping with my mother. In the evening, I played chess with my father. I was very happy last weekend.
2.将来时: (be going to +动词原形或 will + 动词原形)be going to=will
Sunday Plan
I am going to have a busy Sunday. In the morning, I am going to
the park with my grandparents. We will go fishing there. In the afternoon,
I am going to play ping-pong with my friends. Then we will go to the