三．分词 1．分词的性质： 具有形容词性质，可以在句中担任表语、定语、宾补、状语，现在分词表示主动，且动作在进行：过去分词表示被动，或动作已完成。 2．分词的形式： 例： write (vt) rise (vi) 主动语态 被动语态 主动 过去分词 时态 现在时 writing being written rising risen / 完成时 havin...

英语语法 语法学习

1. Simple photographic lenses can't ________ sharp, undistorted images over a wide field. A. to form B. are formed C. forming D. form 2. Of all the factors affecting agricultural yields, weather is the one ________ the most. A. it influences farmers B. th...

英语语法 语法学习

十二．过去将来进行时： should / would be + 现在分词 表示从过去某时看将来某时正在进行的动作。 . He asked me what I should be doing when he came the next day. 测试精编： 1. Tomorrow, I ________ the book all morning. A. am reading B. will be reading C. will read D. have read 2. -Ca...

英语语法 语法学习

十四．过去将来完成时： would / should have + 过去分词 表示从过去某个时间看将来某时之前已经完成的动作。 He said that they would have arrived by seven o'clock ....

英语语法 语法学习

九．过去将来时： should / would + 动词原形 1．表示从过去某个时刻看将要发生的动作或状态。 ● He said that they would meet me at the station. 2．此用法常用于间接引语中。 测试精编： 1. On television last night the newscaster announced that the leader ________ on Saturday. A. is arr...

英语语法 语法学习

英语时态是英语语法中的第一道难关，攻下此难关是 作文、阅读、口语 之关键。汉语用不同词表达相应时态，而英语用同一词的不同变化形式表达时态。 英语各种时态构成表：以play为例： 一般时态 进行时态 完成时态 完成进行时态 现在 play llays is am playing are has have played has have been playi...

英语语法 语法学习

四．过去进行时： were / was + 现在分词。 1．表示过去某一时刻或阶段正在发生的动作。 . I was playing chess at 8 yesterday evening. . When I arrived, they were watching TV. . They were doing housework this time last week. 2．用于条件状语从句中表示过去将来进行的动作。 . She told me...

英语语法 语法学习

（四）．名词所有格 1．在大多数名词末加's the boy's toy, men's work 2．以 s结尾的复数名词直接加' the students' reading room 3．以 s结尾的单数名词加' Dickens' novels the actress' performance 4．合成名词在最后一个词上加s her brother-in-law's piano. Somebody else's books. （重要！）...

英语语法 语法学习

（一）名词变复数： 1．规则名词复数形式： 在单数名词后加s day days week weeks 2．在以 o, s, x, ch, sh 结尾的名词后加es。 hero heroes box boxes class classes bush bushes watch watches 3．黄金重点： I．有些以o结尾的外来词或缩略词的复数形式只加s。 II．以元音字母加o结尾的单词只加s。...

英语语法 语法学习

二．现在进行时： is / am / are + 现在分词 1．表示现在正在进行的动作。如 . The kettle is boiling. Shall I make tea? . Don't you think you eat too much? You're putting on weight（体重增加）。 . The workers are building a new bridge across the river. 2．表现阶段正进行的动作。 . He...

英语语法 语法学习