1、现在进行时(一)现在进行时表示现在(说话瞬间)或现阶段正在进行或发生的动作,常与now, these days 等时间状语连用。 现在进行时由“ 助动词 am / is / are + 动词-ing 形式” 构成。动词-ing 形式的构成是有规律的:1. 一般情况下,在动词原形末尾直接加-ing。如:sing singing clean cleaning2. 以不发音字母 e 结尾的动词,去掉 e,再加-ing。如:make making write writing3. 以重读闭音节结尾的动词且末尾只有一个辅音字母,双写这个辅音字母,再加-ing。如:swim swimming run run
2、ning 1. 现在进行时的肯定式为“主语 + am / is / are + 动词-ing 形式 (+ 其他).”。 如:I am doing the dishes now. Mike is writing a book these days.Her parents are watching TV now.2. 现在进行时的否定式为“主语+ am / is / are + not + 动词-ing 形式 (+ 其他).”。如:Im not doing the dishes now. Mike is not / isnt writing a book these days.Her parent
3、s are not / arent watching TV now.3. 现在进行时的疑问式为“Am / Is / Are + 主语 + 动词-ing 形式 (+其他)?” 。简略肯定回答为“Yes, 主语 (人称代词) + am / is / are.”;简略否定回答为“No, 主语 (人称代词) + am / is / are + not.”。如:Are you doing the dishes now?Yes, I am. / No, Im not. 【运用】. 写出下列动词的ing 形式。1. cross _ 2. take _ 3. get _ . 根据汉语意思完成英语句子或对话,每空一词(含缩略形式)。1. 我弟弟现在不在玩游戏,他正在做作业。My brother _ _ games and he _ _ his homework now. 2. 艾丽斯正在跳舞吗?是的,她正在跳舞。_ Alice _?Yes, _ _. 1. crossing 2. taking 3. getting . 1. isnt playing; is doing 2. Is; dancing; she is