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t 或don'

t have to, 表示 不必 . (3) dare 作情态动词用时, 常用于疑问句、 否定句和条件从句中, 过去式形式为 dared. (4)can/could + have done 在肯定句中表示 本来可以做而实际上 没能做某事 . should have done 表示对过去行为的推测 本应该做而实际上没有 做某事 . needn'

t have done 表示 本来不必做而实际上做了某事 . 2.动词的时态与语态 所谓 时 就是行为发生的时段或状态存在的时段,即: 现在、 过去、将来、过去将来 四种;

所谓 态 就是行为或状态发生时所呈 现的状态,有一般状态、进行状态、完成状态和完成进行状态四种.由 微信号: sajsks QQ 群:

348051751 关注微信 sajsks 赢好礼! 回复 冲刺 预测报 估分 冲刺活动为你准备! 时态结合,便形成下列十六种时态: 时态 现在 过去 将来 过去将来 一般时态 一般现在时 一般过去时 一般将来时 一般过去将来时 进行时态 现在进行时 过去进行时 将来进行时 过去将来进行时 完成时态 现在完成时 过去完成时 将来完成时 过去将来完成时 完成进行 时态 现在完成 进行时 过去完成 进行时 将来完成 进行时 过去将来完成 进行时 (1)现在进行时表示按计划、安排即将发生的动作.She is leaving for Beijing. (2) 现在进行时代替一般现在时, 描绘更加生动. The Yangtze River is flowing into the east. (3) 现在完成进行时着重表示动作一直在进行, 即动作的延续性. ---Hi, Tracy, you look tired. ---I am tired. I have been painting the living room all day. 3.动词的语态--主动表被动 (1)某些感官动词和系动词加形容词可以表示被动意义,如look, smell, taste, feel, prove, sound 等.例:The flower smells sweet. 微信号: sajsks QQ 群:

348051751 关注微信 sajsks 赢好礼! 回复 冲刺 预测报 估分 冲刺活动为你准备! (2)某些及物动词后加副词,也可以表示被动意义,如cut, clean, draw, lock, open, pack, play, peel, sell, shut, split, strike, record, iron, keep 等.例:This type of TVsells well. The meat cuts easily. (3)deserve, need, require, stand, want 等词的后面可以用动名词的 主动形式表示被动意义.若动名词是不及物的,后面应跟有介词.例: The kids need taking care of. The table wants cleaning. (4)某些作表语的形容词后,用不定式主动形式表示被动意义. 例:The stone is hard to break. It is easy to understand. 考点・状语从句 1.时间状语从句 常用引导词:when, as, while, as soon as, before, after, since, till, until 特殊引导词:the minute, the moment, the second, every time, the instant, no sooner ... than, hardly...when I didn'

t realize how special my mother was until I became an adult. Every time I listen to your advice, I get into trouble. 2.目的状语从句 微信号: sajsks QQ 群:

348051751 关注微信 sajsks 赢好礼! 回复 冲刺 预测报 估分 冲刺活动为你准备! 常用引导词:so that, in order that 特殊引导词: lest, in case, for fear that, in the hope that, for the purpose that, to the end that The boss asked the secretary to hurry up with the letters so that he could sign them. The teacher raised his voice for the purpose that the students in the back could hear more clearly. 3.让步状语从句 常用引导词:though, although, even if, even though 特殊引导词: as (用在让步状语从句中必须要倒装), while (一般用在 句首), no matter..., in spite of the fact that, whatever, whoever, wherever, whenever, however, whichever Much as I respect him, I can'