文档介绍：**现在完成时** 高平三中苗爱仙主要时态 +V/S (三单) +Vs/es +V ed +be+V ing +will+V +have/has+V pp plant trees I plant ed trees. I am plant ing trees. I will plant trees. I have plant ed trees. I plant trees. He plant s trees. Review ? ’ve gone and we ’ ve won . ? ’ ve left their horse . ? ’ ve sailed away. And they ’ ve taken everything with them. 现在完成时是由助动词 have ( has )+过去分词构成 have 和 has 常缩为’ ve ,’ s , I/You/We/They have---- I’ ve/You ’ ve/We ’ ve/They ’ ve He/She/It has-----He ’ s/She ’ s/It ’s 其否定句在 Have/has 后加 not. 否定缩写 have not = haven ’ t , has not = hasn ’ t ) 一般疑问句把 have/has 提到主语前. 句型转换: 1. We have been to Guangzhou. We have not been to Guangzhou. Have you been to Guangzhou? Yes, we have ./No, we haven ’ t. 2. His father has finished his work. His father has not finished his work. Has his father finished his work? Yes, he has . /No, he hasn ’ t. ?动词的过去分词: ?规则变化( 和过去式一样) 不规则变化: am/is-was-been are-were-been begin-began-begun break-broke-broken do-did-done draw-drew-drawn drink-drank-drunk drive-drove-driven eat-ate-eaten fall-fell-fallen fly-flew-flown forget-forgot-forgotten give-gave-given go-went-gone grow-grew-grown hide-hid-hidden know-knew-known lie-lay-lain ride-rode-ridden ring-rang-rung show-showed-shown see-saw-seen sing-sang-sung speak-spoke-spoken take-took-taken come-e run- ran – run e-became-e 1。表过去发生的某一动作对现在造成的影响或结果,例如 I have just cleaned my clothes. 我刚洗过衣服。(“洗衣服”是发生在过去的动作,对现在造成的结果是“衣服干净了”) just( 刚刚) ,already (已经) , yet (一般疑问:已经; 否定句: 仍然,还) 等连用(1)I ’ ve just had breakfast . (2)He has e yet. (3)She has already finished the work. (4) Have you milked the cow yet ? Yes, I have done it. 现在完成时态的用法: ? ,常与 befo