综合时态复习(六年级)
系统复习一般现在时、现在进行时、一般过去时、一般将来时四种时态的用法、结构、标志词和典型例句,通过对比表格和例题帮你理清时态区别,避免常见错误。
一、概念导入
同学们,我们已经学过了好几种时态。就像拍照时,不同的时间要拍出不同的照片,英语里的动词也会随着时间的变化而变化。今天我们就来一次“大阅兵”,复习四种最常见的时态:一般现在时、现在进行时、一般过去时和一般将来时。
二、核心讲解
先来看一张对比表格,把这四种时态的“长相”(结构)、“暗号”(标志词)和“照片”(例句)放在一起,你就能一眼看出它们的区别啦!
从表格中我们可以看到:
- 一般现在时(绿色):表示经常、习惯性的动作或状态。动词要随着主语的变化而变化(第三人称单数加-s/es)。标志词常是 always, usually, every day 等。
- 现在进行时(橙色):表示此时此刻正在进行的动作。结构是“be动词 + 动词-ing”。标志词常是 now, look, listen 等。
- 一般过去时(蓝色):表示过去某个时间发生的动作。动词要用过去式。标志词常是 yesterday, last week, ... ago 等。
- 一般将来时(红色):表示将来要发生的动作。用 will + 动词原形 或 be going to + 动词原形。标志词常是 tomorrow, next week, soon 等。
三、典型例题
例1(基础题):用所给动词的正确形式填空。
(1) My mother _________ (cook) dinner every evening.
(2) Listen! The girls _________ (sing) in the next room.
(3) We _________ (visit) the Great Wall last summer.
(4) They _________ (have) a party next Saturday.
思路点拨:先看标志词或语境判断时态。
- (1) every evening → 一般现在时,主语My mother是第三人称单数,动词加-s → cooks。
- (2) Listen! → 现在进行时,主语The girls是复数,be动词用are,动词加-ing → are singing。
- (3) last summer → 一般过去时,visit的过去式是visited → visited。
- (4) next Saturday → 一般将来时,可以用 will have 或 are going to have → will have / are going to have。
例2(辨析题):读句子,判断时态,并翻译成中文。
(1) Tom often plays football after school.
(2) Tom is playing football now.
(3) Tom played football yesterday.
(4) Tom will play football tomorrow.
思路点拨:对比四个句子,主语相同,但时间不同。注意动词形式的变化。
- (1) often + plays → 一般现在时,“汤姆经常放学后踢足球。”
- (2) is playing + now → 现在进行时,“汤姆现在正在踢足球。”
- (3) played + yesterday → 一般过去时,“汤姆昨天踢足球了。”
- (4) will play + tomorrow → 一般将来时,“汤姆明天将踢足球。”
易错:不要把(2)写成“汤姆现在踢足球”,要体现“正在”。
例3(易错题):改错。
(1) He go to school by bus every day.
(2) I am go to school now.
(3) She didn't goes to the park yesterday.
(4) There will have a match next week.
思路点拨:常见的时态结构错误。
- (1) 错误:go → 主语He是第三人称单数,一般现在时动词应加-s → goes。正确:He goes to school by bus every day.
- (2) 错误:am go → 现在进行时结构是am/is/are + v-ing,go的ing形式是going → am going。正确:I am going to school now.
- (3) 错误:didn't goes → 一般过去时的否定句用“didn't + 动词原形”,goes应改为原形go → go。正确:She didn't go to the park yesterday.
- (4) 错误:There will have → 一般将来时的“有”用there will be,不用have。正确:There will be a match next week.
四、常见误区
- 忘记第三人称单数:一般现在时中,主语是he/she/it等第三人称单数时,动词要加-s/es。比如:He like apples. → He likes apples.
- be动词和动词原形连用:现在进行时中,be动词后面一定要跟动词的-ing形式,不能跟原形。比如:I am play football. → I am playing football.
- 过去时否定用错:一般过去时的否定句用“didn't + 动词原形”,过去式只用在肯定句中。比如:He didn't went. → He didn't go.
- 混淆“有”的将来时表达:将来时表示“有”要用there will be,不能说there will have。比如:There will have a party. → There will be a party.
- 现在进行时和一般现在时混淆:一般现在时表示习惯,现在进行时表示正在发生。比如:“他每天游泳”是 He swims every day.;“他正在游泳”是 He is swimming now.
五、学习建议
- 制作时态卡片:把每种时态的结构、标志词、一个例句写在卡片上,随身携带,随时复习。
- 找“暗号”:做题时先圈出标志词(yesterday, now, every day, tomorrow 等),再根据标志词确定时态。
- 对比造句:用同一个动词(如play)造四个不同时态的句子,对比变化。
- 多听多说:在英语歌曲、动画中注意时态的运用,培养语感。
六、知识链接
时态与词汇、句型紧密相关。掌握好动词的变化规则(第三人称单数、现在分词、过去式)是基础。同时,学习将来时的时候可以联系“be going to”表示计划打算,与“will”表示临时决定做区分。后续还要学习现在完成时,但先把这四种基础时态学扎实,后面的学习会轻松很多。
七、习题自测
- I _______ (watch) TV every evening.
- My father _______ (read) a newspaper in the living room now.
- They _______ (visit) their grandparents last weekend.
- We _______ (have) a picnic tomorrow if it is sunny.
- She _______ (not / like) swimming. (改为否定句)
参考答案:
- watch(主语I,一般现在时用原形)
- is reading(now提示现在进行时,father是第三人称单数,be用is)
- visited(last weekend提示一般过去时)
- will have / are going to have(tomorrow提示将来时)
- doesn't like(一般现在时否定,主语She,用doesn't + 原形)