555win cung cấp cho bạn một cách thuận tiện, an toàn và đáng tin cậy [since when does germany exist]
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28 thg 3, 2019 · Look, 'since when' has this special meaning as explained here, for instance: since when? | meaning of since when? in Longman Dictionary of Contemporary English | LDOCE After the phrase you can use the present perfect tense or some other present tense, as seen in the examples there. 'From when' is not something I would say at all.
18 thg 3, 2019 · Since在绝大多数情况下都跟完成时，不过在在这个句型中除外 it is (has been ) + 段时间 + 动作，比如： It has been five years since I got married. It is five years since I got married. 均可。 在中考中，常考since与完成时态一起连用，比如 I ______ many new friends since I came here.
24 thg 9, 2014 · Hi everybody, according to my grammar books and my own personal experience, no 1 should be correct (I hope). What about no 2? 1. I've been retired since last summer. 2. I'm retired since last summer. I have heard and seen no 2, but, for some reason, I …
31 thg 8, 2018 · Professor LI has been working as the review expert of Journal of Clinical Hepatology since 2015 up till now. Hi. I wrote this sentence. Can I use “since” together with “up till now”? Thank you.
22 thg 2, 2016 · Yes, hectacon, 'but since/because' is possible. You should have a good reason for doing this. Here's an example where I think 'but since' is justified: He really didn't like sports, but since he was tall, he chose to play basketball.
Since的时态 Since通常与完成时态结合使用，表示从过去某一时间点开始，一直延续到另一个时间点: 1. 现在完成时（have/has + 过去分词）: - 用于表达从过去某个时间点开始，持续到现在的动作或状态。 - 例如：“我自2010年以来一直住在这里。 ”（I have lived here ...
5 thg 4, 2008 · Hi everyone, I am really confused about the use of since with the simple past can we use since with simple past whenever we wish or there are certain conditions Is this sentence correct for example I finished my university studies since 2006 thanks
29 thg 11, 2011 · Since 2010，这种情况指的是，2010年是一个过去的时间，现在可能是2016或2020年，我们之前就开始了，并且现在持续在做，举例： Since 2015, we have been making all students study English。 希望我的回答能帮助到题主。
8 thg 2, 2012 · I saw this sentence: The film was produced in 1979, since when the cultural management system has witnessed great changes. I think it's better to use 'since which' here instead. But I can't say why. Maybe it's because you should …
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