since 和 for①I’ve been running (half an hour ago/for half an hour)②Sam has been skating(since 9 o'clock/an hour ago)③-When did you get the first stamp?-(For six years/Six years ago)

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since 和 for①I’ve been running (half an hour ago/for half an hour)②Sam has been skating(since 9 o'clock/an hour ago)③-When did you get the first stamp?-(For six years/Six years ago)

since 和 for①I’ve been running (half an hour ago/for half an hour)②Sam has been skating(since 9 o'clock/an hour ago)③-When did you get the first stamp?-(For six years/Six years ago)
since 和 for
①I’ve been running (half an hour ago/for half an hour)
②Sam has been skating(since 9 o'clock/an hour ago)
③-When did you get the first stamp?
-(For six years/Six years ago)

since 和 for①I’ve been running (half an hour ago/for half an hour)②Sam has been skating(since 9 o'clock/an hour ago)③-When did you get the first stamp?-(For six years/Six years ago)
前两个问题考的是现在完成进行时.这个时态后面如果接时间的话,可以用for或since.它们的区别是:for后面要接一个时间段,也就是多久;而since后面要接一个时间点,表示从那个时间点开始,一直到现在.
1.选择for half an hour
如果 half an hour ago 前面有since的话,是正确的.
2.选择 since 9 o'clock 表示从9点开始一直到现在
如果 an hour ago 前面加上 since的话,是正确的.
3.这个句子是一般现在时.问的是,“你什么时候得到第一张邮票/“
要回答一个时间点,即”什么时候“
因此要选择 six years ago

1. for half an hour ( 现在完成时,用for, half an hour ago半个小时前,用在一般过去时。翻译: 我已经跑了半个小时了。)
2 since 9 O'clock. 还是现在完成时, 翻译: Sam自从9点就滑冰了。
3 six years ago. ( did.. get是一般过去时,所以用一般过去时的时间状语: six years ag...

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1. for half an hour ( 现在完成时,用for, half an hour ago半个小时前,用在一般过去时。翻译: 我已经跑了半个小时了。)
2 since 9 O'clock. 还是现在完成时, 翻译: Sam自从9点就滑冰了。
3 six years ago. ( did.. get是一般过去时,所以用一般过去时的时间状语: six years ago六年前, 翻译: 你什么时候得到的第一张邮票? 六年前)

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1.for half an hour
2.since 9 o'clock
3.Six years ago

1。 选择for half an hour
如果 half an hour ago 前面有since的话,是正确的。
2。选择 since 9 o'clock 表示从9点开始一直到现在
如果 an hour ago 前面加上 since的话,是正确的。
3。这个句子是一般现在时。问的是,“你什么时候得到第一张邮票/“...

全部展开

1。 选择for half an hour
如果 half an hour ago 前面有since的话,是正确的。
2。选择 since 9 o'clock 表示从9点开始一直到现在
如果 an hour ago 前面加上 since的话,是正确的。
3。这个句子是一般现在时。问的是,“你什么时候得到第一张邮票/“

收起

for half an hour
ince 9 o'clock
For six years
(for +一段时间,since+时间点。所以如果是年的话,since后面要加ago)

用since 和for 填空请用since和for填空.并说明理由,万分感激!I haven't seen you__your wedding.I've been __over an hour.I've had this much fun__I was kid. 英语翻译I've bee trying to cheer him up for twenty minutes he won't shop crying 根据句意、汉语提示或首字母和英文释义完成单词I've heard of Jackie Chan for years,since I was a child,a___(in fact). I’ve lived in Chongqing _______ twenty years.A for B in C since since 和 for①I’ve been running (half an hour ago/for half an hour)②Sam has been skating(since 9 o'clock/an hour ago)③-When did you get the first stamp?-(For six years/Six years ago) 用since和for填空i’ve been here------two years i’ve been here------ yesterday i’ve been here-------i was a child i’ve been here-------two years agohe’s been in class --------4 o’clockhe’s been in class --------an hour agohe’s been I make my own bread.I've done it for ages.用for或 since连接,如有必要可改动 语法题时态题I've beenI've been the Times travel editor for 10 years.I've been makingI've been making trips abroad since 1997,and I've visitedI've visited 38 countries.Bargaining is one thing I've learnedI've learned to do.I've traveledI've trav 英语翻译Buzz me up to heaven babyCome on,buzz me up to heavenI’ve been missing you I should be kissing youHoney to the Bee that’s you for meI wouldn’t tell a lie got a love I can’t denyHoney to the Bee that’s you for meHoney to the Bee I've been studying English since 12. There are many things 'I've had____I was a little child.A.for B.since C.when请说明原因 I've been here(for only two weeks)用since代替括号中的部分 对了绝对好评 since和for用法 比较since和for 英语翻译it's been a too long time with no peace of mind and i'm ready for the times to get better.i've got to tell you i've been racking my brain hoping to find a way out.i've had enough of this continual rain changes are coming,no doubt.it's bee I've been waiting for I've waited for you和I've been waiting for you的区别有什么区别? I've been at this school for over two years .for over two years 可不可以用since over two years age