使现在完成式(have pp)的情况 使用現在完成式(have+p.p.)的情況已完成的程度，且與現在狀況有關者1.到目前為止曾做過的事或所擁有的經驗Ex.Jayhasreleased11albumssofar.2.到目前為止已完成的事Ex.Ihavedoneallthemathhomework.3.持續到目前為止的動作(須用持續性動詞)Ex.Corbyhasplayedthegamefor40minutes.Ex...
have/has +v.(pp )表示现在完成时 这是助动词be+动词的过去分词，构成被动语态。例句 the job is done.（工作做完了。）或者助动词be+动词的现在分词，构成进行时。例句 i am doing my homework.（我在做作业。）
“have/has been +PP（过去分词）”是现在完成时态的被动语态；“have/has + PP（过去分词）”是一般现在完成时态，是主动语态。例如：We have built many houses since last year.自从去年以来，我们建议好多的房子。这句话的被动语态就：Many houses have been built since last year.
一、现在完成时的定义与应用 现在完成时是英语中一种重要的时态,用于表示过去发生的动作对现在产生的影响或者结果。它的句型结构为主语 + has/have + pp(过去分词)。在使用现在完成时,要注意 have 和 has 的用法。当主语是第三人称单数或单数名词时,用 has;当主语是第一(I,we),第二人称(you),以及第三人称...
was/were+v-ing是过去进行时,描述过去正在进行的事情be+pp是被动语态的形式,表示动作被做had+pp.与 have\has+pp都是完成时态,都表示动作已经完成,只是前者是在另一动作前就已经完成,而后者强调此时已经完成,并对于现在产生影响 相关推荐 1was were+动词ing与be+动词过去式区别,had+pp.与have\has+pp.的区别...
, Boy-wives and female husbands: Studies of African homosexualities (pp. 115–128). New York: St. Martin’s Press. Google Scholar Gaudio, R. P. (2009). Allah made us: Sexual outlaws in an Islamic African City. Malden: Wiley-Blackwell. Book Google Scholar Geibel, S., Luchters, S...
has/have been pp.便是被动式。记住例如X will be / have been pp等出现verb-ed(pp)的话一定是被动式(意思是X是被动物，不是动词的主角/主词。 回到你的例句： 'Mr. Lee speaks good English. He has learned English for 20 years.' 'Mr. Lee speaks good English. He has been learning...
1. 一般现在时 He cleans the blackboard. The blackboard is cleaned by him.2．一般过去时 He cleaned the blackboard. The blackboard was cleaned by him.3．一般将来时 He will clean the blackboard. The blackboard will be cleaned by him.4．现在进行时 He is cleaning the black...
, The reinforcement sensitivity theory of personality (pp. 155–187). Cambridge: Cambridge University Press. Cyders, M. A., Smith, G. T., Spillane, N. S., Fischer, S., Annus, A. M., & Peterson, C. (2007). Integration of impulsivity and positive mood to predict risky behavior: ...
pp 193–219 Cite this chapter Sexually Transmitted Infections in HIV-Infected Adults and Special Populations Nicholas Van Wagoner & Kenneth H. Mayer 827 Accesses Abstract Men who have sex with men (MSM) comprise a heterogeneous group of men with diverse sexual behaviors and who have a high ...