现在完成时(一)

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,现在完成时（一）,我,刚刚,吃了,100个包子。,我,已经,洗了手了。,你,没有,冲厕所。,I,have,just,had,100 bean buns.,I,have,already,washed,my hands.,You,havent,flushed,the WC,yet,.,现在，我吃撑了。,现在，我的手干净了。,现在，厕所是脏的。,你被开除了。,表示：,动作发生在过去,，,强调对现在的,结果,和,影响,。,现在完成时,结构：,have,/,has,+,动词过去分词,标志词：,just(用于have/has后),already(1用于have/has后；,2用于句末),yet(用于疑问句或否定句句末),现在完成时与一般过去时的区别,I,opened,the door just now.,过去开过门，不知现在门是否开着。,I,have opened,the door.,过去开过门，现在门仍开着。,I,washed,my hands.,过去洗过手，不知现在手是否干净。,I,have washed,my hands already.,过去洗过手，现在手仍是干净的。,句型转换,变否定,，,not加在have/has后面,。,变疑问,，,have/has要提到主语前,。,I have bought a car.,I,have not,(,havent,)bought a car.,I have bought a car.,Have,you bouht a car?,注意,在变疑问和否定时,，,若是碰到already,，,要将其改为yet,！然后把,yet,置于句末！,He has,already,come here.,He hasnt come here,yet,.,Has he come here,yet,?,Yes,he has.,No,he hasnt.,动词的过去分词,规则变化,talk-talked-talked move-moved-moved stop-stopped-stopped,不规则变化,AAA型,put-put-put cut-cut-cut,ABB型,meet-met-met tell-told-told say-said-said,ABA型,run-ran-run come-came-come,ABC型,sing-sang-sung give-gave-given see-saw-seen,注意,When have you bought this bike?,When,did,you buy this bike?,现在完成时不能用于,when,引起的,疑问句,中。,注意,现在完成时不与,表示过去的时间状语连用,。,eg:,just now,ago,yesterday,last week,in 2008,等。,The train,arrived,half an hour,ago,.,此句中的arrived不能改为has arrived.,I,bought,this book,just now,.,此句中的bought不能改为has bought.,注意,当句子中没有明显的标志词时，,可以,通过句意理解,是否用现在完成时。,-Why is the girl crying?,-She _ her finger.,A.cuts B.cut C.has cut,C,I cant go to see the film today,because I _(lose),my ticket.,have lost,