A:Haveyoueverbeento…
B:…TheGreatWallShanghaiTibetHongKong1、现在完成时的概念:现在完成时表示过去发生或已经完成的某一动作对现在造成的影响或结果;也可表示过去已经开始,持续到现在的动作或状态,这种动作或状态还有可能继续持续下去
2、现在完成时的构成方式:其肯定句形式:主语+have(has)+过去分词;其否定句形式:主语+have(has)+not+过去分词:其一般疑问句形式:Have(Has)+主语+过去分词警示:在现在完成时的肯定句中有some,already时,改为否定句或一般疑问句时要分别改为any,yet
Choosetherightanswer
()----HasJimseenthisfilm___
----Yes,hehas___seenit
yet;alreadyB
already;yetC
already;ever2
()----___youwrittentoyourfather
----No,Ihaven’t
()Hashe___totheparkyet
()----Haveyou___anewspaper
----Yes,I___anewspaperthismorning
buy;boughtB
buy;buyC
bought;bought5
()----Whatanicedog
Howlonghaveyouhadit
----___twoyears
SinceC
()----WhendidyouborrowtheEnglishstory-book
----Iborroweditlastweek
I___itforaweek
haveboughtB
havekeptC
haveborrow