Unit 1 Good habits 核心语法(专项训练)-2026-2027学年译林版(三起)英语五年级上册
【译林版(三起)五年级上册】
Unit 1 Good habits 核心语法专项训练
单元语法小结
语法一:频度副词用法
1. 核心词汇(按频率从高到低排序)
always(总是)> usually(通常)> often(经常)> sometimes(有时)> never(从不)
2. 核心位置规则
① 实义动词之前:主语 + 频度副词 + 动词原形/三单
例句:He usually gets up early.(他通常早起。)
② be动词、情态动词之后:主语 + be/情态动词 + 频度副词
例句:She is always helpful.(她总是乐于助人。)
③ sometimes 特殊用法:可放句首、句中、句尾,位置最灵活
例句:Sometimes I go to bed late. = I sometimes go to bed late.
3. 时态搭配:频度副词专属一般现在时,是判断时态的关键标志词
语法二:一般现在时第三人称单数(三单)规则
1. 适用场景:主语为he/she/it/单数人名/单数事物,搭配频度副词使用
2. 动词三单变化规则
① 一般情况:直接加 -s 例:get→gets, play→plays
② 以s/x/ch/sh/o结尾:加 -es 例:watch→watches, wash→washes
③ 辅音字母+y结尾:变y为i加-es 例:study→studies
④ 特殊不规则变化:have→has
3. 句型结构
肯定句:主语三单 + 动词三单 + 其他
否定句:主语三单 + doesn’t + 动词原形 + 其他
一般疑问句:Does + 主语三单 + 动词原形 + 其他?
易错:否定句、疑问句中,动词必须还原为原形,不能用三单!
错误:He doesn’t gets up early.
正确:He doesn’t get up early.
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语法三:good habits & bad habits 固定搭配与句式
1. 核心短语
good habits 好习惯(复数) bad habits 坏习惯(复数)
get up early 早起 go to bed late 晚睡
keep the room clean 保持房间干净
finish homework early 早早完成作业
2. 经典句型
Sb. has many good/bad habits. 某人有许多好/坏习惯。
Sb. does sth well/badly. 某人某事做得好/不好。
语法四:early / late 副词用法
early(早地)、late(晚地)可作副词,修饰动词,形副同形,无需变形
例句:He goes to bed late. 他晚睡。
She gets up early. 她早起。
专项练习
一、选词填空
从 always/usually/often/sometimes/never 中选择合适单词填空,每词仅用一次
1. I ________ eat breakfast in the morning. I never skip it.
2. It ________ rains in winter in our city, not every day.
3. My father ________ works from Monday to Friday.
4. Tom ________ exercises, so he is very strong.
5. Lily ________ plays computer games. She thinks it’s boring.
二、用所给动词的适当形式填空
1. Liu Tao usually ________ (finish) his homework before dinner.
2. My mother ________ (keep) our house clean every day.
3. The boy ________ (not go) to bed late. He has good habits.
4. ________ (do) your sister get up early every morning?
5. He ________ (have) many good learning habits.
三、句型转换
按要求改写句子,每空一词
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