英语人教版八年级下册《现在完成时》微课课件.ppt

现在完成时一记、二看、三确定，勿忘动词延续性；二区别、三注意，学好现在完成时概念：1.动作发生在过去，对现在造成的影响和2.结果。（所有的实义动词）2.动作发生在过去，一直延续到现在，并且包括现在在内的时间。（延续性动词）一记、结构式：have/has+V(过去分词)二看、1）看标志词：already/yet、just/before、ever/never、since/for so far/these days/recently/in the few(past,last)years/where is Tom?/since then/how long/many times 2)看结果。三确定、确定have or has二区别、1：a.一般过去时表示过去的动作。b.现在完成时强调现在的结果。2:have/has been to(曾去过某地)have/has been in(一直在某地)have/has gone to(去某地了，只用于第三人称)三注意、1.不与过去的时间连用。2.不与when连用。3.终止性动词的肯定式不与 since/for连用，但否定式可以。We havent seen him for a long time.开始、离、去、借、来、还，结婚、生、死、买、到家。begin-be on leave-be away/be outgo-be away/be out borrow-keepcome-be here/be back/be in return-give backget married-be married join-be in/be a member die-be dead buy-have arrive-be here/be back 常见的终止性动词转换成延续性动词：汉译英：他死了三年了。1.He died three years ago.2.He died in 2013.3.He has been dead for 3 years old.4.He has been dead since 3 years ago.5.He has been dead since 2013.6.Its 3 years since he died.7.Three years has passed since he died.