现在完成时与现在完成进行时的区别 Present Perfect Tense -Simple or Continuous--FOR & SINCE, 视频播放量 31、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 1、转发人数 0, 视频作者 hidream123, 作者简介 ,相关视频:完成态:现在完成时 Learn English Tenses PRESENT
5.How long have you been living in Hong Kong?15年 相关知识点: 试题来源: 解析 1.Since 15 years ago. 2.For 3 hours. 3.For 3.years. 4.建议写Since 2 years ago. 5.Since 15 years ago. 分析总结。 15年扫码下载作业帮拍照答疑一拍即得答案解析查看更多优质解析举报1反馈 收藏 ...
ForandSincewith Present Perfect Continuous tense We often useforandsincewith perfect tenses: We useforto talk about aperiodof time:three hours, two months, one decade We usesinceto talk about apointin past time:9 o'clock, 1st January, Monday ...
We form the present perfect with the verb 'have' and the past participle of the main verb. So the main verb here is 'achieve' and 'have' is an auxiliary or help verb. 我们用动词 have 和主动词的过去分词构成现在完成时。所以这里的主动词是 achieve,而 have 是助动词或辅助动词。 It helps...
I've known John for three years. The present perfect continuous can also be used (often with 'since' and 'for') to talk about unfinished actions that started in the past and are still true in the present. (Of course, we don't use the present perfect continuous with stative verbs): ...
Itbeganrainingtwohoursagoanditisstillraining.Howlonghasitbeenraining?Ithasbeenrainingfortwohours.Weusethepresentperfectcontinuousinthiswaywithhowlong,for...andsince...Theactivityisstillhappening(asintheexample)orhasjuststopped.Thepresentperfectcontinuousisoftenusewithwordsandphraseslikeallday/week/year/etc,for,...
We use Present perfect withfororsinceto talk about how long a present situation has lasted. I’ve livedin Spain for 10 years.(for + period of time) Shehasn’t spokento him since April last year.(since + specific date/time) We use Present perfect to talk about experiences, or about an...
In most cases, we can choose either of the tenses withsinceandforas time references to show the time frame of the action. But we use the present perfect continuous to show emphasis on the activity happening over a period of time that’s short-term. But for long-term ongoing actions, use...
For and Since with Present Perfect Continuous Tense We often useforandsincewith the present perfect tense. We useforto talk about aperiodof time - 5 minutes, 2 weeks, 6 years. We usesinceto talk about apointin past time - 9 o'clock, 1st January, Monday. for since a period of time ...
For and Since with Present Perfect Continuous Tense We often useforandsincewith the present perfect tense. We useforto talk about aperiodof time - 5 minutes, 2 weeks, 6 years. We usesinceto talk about apointin past time - 9 o'clock, 1st January, Monday. for since a period of time ...