初中英语语法系列-动词1.pptVIP

英语语法－词性详解二 1.一般现在时 （1）表示经常发生或习惯性的动作或状态 eg.We?often?write?to?each?other. 我们时常相互通信。 常与always，usually，often，sometimes，every?day，once?a?week，yearly每年，monthly每月， 等时间状语或频率副词连用。 （2）表示主语现在的性格、特征、能力 eg.He works hard.他努力工作 （3）表示客观事实或普遍用法 eg.The sun rises in the east. Light goes faster than sound （4）用于状语从句代替一般将来时 eg.You will succeed if you try . I will tell him about it as soon as I see him next Monday. 常与连词：when , as soon as , before , after , until , if 如果，等引导的时间状语或条件状语从句 2.一般过去时 1 .表示过去某一时间点发生的动作或所处的状态.e.g. He arrived in Hangzhou an hour ago. Where were you just now? 2 .表示过去某一时间里反复出现的动作或状态.e.g. Their children often went hungry in the old days. During his middle school years, he played football nearly every day. 3 .表示主语过去的特征或性格等.e.g. At that time she spoke very good English. 4 .一般过去时往往和明确的过去时间状语连用.如:yesterday, last night, two days months, weeks ago, in 1996, at that time 等,也常和when, if等引导的状语从句连用.e.g. Did you play volleyball yesterday afternoon My father, when he was a child, worked 15 hours for the landlord a day. 5 .一般过去时可与today, this week, this month等时间状语连用.e.g. I saw him today. He came late three times this week. 3.一般将来时 ①.will / shall +动词原形 备：在口语中，shall和will常缩写成ll，紧接在主语之后。其否定式shall not和will not的简略式分别为shant和wont 1 构成 ②. be going to + 动词原形 ③. be + 动词-ing形式（动词-ing形式通常是表示位置转移的动词，如arrive, come, go, leave, move, start, stay, get等） ④.be + 动词不定式 （例：You are to be back before 10:00 p.m.. 你必须在上午10点前回来。表示按计划或正式安排将发生的事 ） 3.一般将来时 2 用法 ①表示将要发生的动作或存在的状态。 ②表示将要反复发生的动作 3 常用结构 ②与表示时间或条件的状语从句连用。 If you ask him, he will help you. ①用于“祈使句 + and + 陈术句”中。 Eg.Work hard and you will succeed. ① 4.现在进行时 1 意义： 2 构成：主语+be+现在分词 v.+ing ②.表示现在时间段中正在进行的动作。 例:They are planting trees on the hill these days. ③.表示一种重复的动作，带有“厌恶”、“赞叹”等感情色彩。 例:My brother is always leaving things about. 注:现在进行时往往与always连用，给现在的动作披上一层感情色彩。 例:Listen! Mary is singing an English song in the classroom. ①.表示说话的此刻正在进行的动作。 常与now,the moment等连用。 5.过去进行时 1 意义： （2）构成：主语+was/were+现在分词 1．表示过去某一时刻正在进行的动作。如： What wer