初中英语的语法总结

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/31 02:37:13
初中英语的语法总结初中英语的语法总结初中英语的语法总结语法项目构成用法象征词规则变化不规则变化例句一般现在时动词用原形三人称单数-s/es表示经常性的动作或状态Everyoftenalwayson天i

初中英语的语法总结
初中英语的语法总结

初中英语的语法总结
语法项目 构 成 用 法 象 征 词 规则变化 不规则变化 例 句
一般现在时 动词用原形
三人称单数-s / es 表示经常性的
动作或状态 Every often always on 天 in月、季、节、年.一般-s –es 辅音+y---ies have----has
He goes to school every day.
I often have lunch at home.
一般过去时 动词用过去时
Be—was/ were 表过去某个、段时间内动作及状态 ago/just now /In1998 last/yesterday 等 一般/去e 双写/辅+y结尾-ied go-went come-came
do-did leave-left等 He wrote a letter yesterday.
I studied hard last year.
一般将来时 be going to+V原
will / shall + V原 在将来某个时间或
某段时要做的事 tomorrow / after
next / tonight in 2010
Go come leave stay
fly等用进行表将来 Are you going to read
He is coming tomorrow .
现在进行时 be+doing 表此时此刻正进行的动作或状态 listen look now
all the time Don’t… 一般去e 双写
+ing tie die lie –
变ie为y加ing Tom is writing now .
They are lying on the bed .
现在完成时
现在完成进行 have / has +PP
have/has been+doing 发生在过去影响在现在的动作或状态等 含糊的频率副词 already just never ever 分词规则的同过去式是一样的 不规则的动词的过去分词需逐个记忆 I have been teaching for 8 years.
He has slept for two days.
.过去进行时 was / were +doing
多用于复合句中 表在过去某时间正在进行的动作 at this time yesterday
last Sunday evening 一般去e 双写
+ing tie die lie –
变ie为y加ing He was reading at that time
last Friday
过去完成时 had+动过去分词
多用于复合句中 该动作发生在过去的过去 by the time+过去时
when after before 规则的分词构成与过去时一样的 需要逐个记忆
详见不规则动词表 We had learnt 2000 words
by the end of last year.
过去将来时 would + V 原形
多用宾语从句中 过去看来将要发生的动作或状态 He said that he… the next day .He said that he would come here the next day .
比较级形式
形容副词名词 后--er 前加more
名词比较用more 表示两个人、物
之间进行比较时 than /much/ a little
far / in the two 等 一般/去e 双写/辅+y结尾-ier good/well —better
much/many—more She is the tall in the two.
He runs faster than Tom .
最高级形式
形容副词名词 后-est 前加most
名词比较用most 大于等于三个人、物之间进行比较 in the +比较范围
of the 具体的数字 一般/去e 双写/辅+y结尾-iest bad/ill/badly-worst
far-farther-farthest She is the most beautiful
in her class.(最高级加the)
动词不定式
to do没有人称和数的变化 作主语
To read is helpful for anybody now .作宾语
He wants to buy a dictionary.作宾补
I hear him sing yesterday
Tom told me to open it.作表语
His job is to take care of children .作状语
He’ll go to see a doctor tomorrow .作定语
He has much homework
to do every day .
主从复合句 状语从句
句子作状语 (时间地点原因条件让步比较)
He was writing a letter when I came in.宾语从句
句子作宾语(语序、时态、引导词、客观事实)
He asked me if I had been to Beijing before.定语从句
句子作定语(修饰名词或代词的句子、注意先行词)
I saw the man who was stealing my bike yesterday
主动结构

被动结构
主动语态:主语(人、物)+ 谓语 + 宾语
动作执行者 + 及物动词 + 动作承受者
被动语态:主语(人、物)+be PP + by宾语
动作承受者 + be PP + by动作执行者
在被动语态中没有可以省to 的不定式 We speak English .
主语 谓语 宾语
English is spoken by us
宾改主 谓语动词 be PP 主by 宾 主动变被动,先找主、谓、宾,宾改主、主by宾,代词变格要细心,谓语动词be pp,时态随主、数随被
PP 是及物动词的过去分词加ed 或不规则详见表
被动句的时态(be)随主动句的时态(do)人称和数应随被动句的主语(am、is、are、was、were等 )