现在完成时现在完成时 Present Perfect TensePresent Perfect Tense 现在完成时的构成现在完成时的构成 : : Have / has +Have / has + 动词过去分词动词过去分词 1
I _____________ (call)my aunt three times today but nobody answered
Internet ______________ (bring) us much more information about outside world
The Titanic is a very interesting film
I __________ (see) it twice already
Tom __________(make)a lot of friends in China
have calledhas broughthave seenhas made 1
表示过去发生的动作对现在造成的影响或结果
already, ever, yet, just, before, recently, these days, up to now, in the last few years 等
They ___________________ ( 完成 )the project
The meeting _______________
( 还没有开始 ) 3
He ____________ ( 刚回来 ) back from America
现在完成时的用法 (2 个 )have already finishedhasn’t begun yet经常与下列词语连用has just come 2
表示过去发生的动作持续到了现在 , 可能继续发展下去 , 常与 for 或