The use of FOR
We use For when we measure the duration – when we say how long something lasts.
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For + a period of timeTo measure a period of time up to lớn the present, we use the present perfect tense và not the present tense.I have sầu known her for a long time. (Correct) I know her for a long time. (Incorrect)I have lived here for ten years. (Correct)I live here for ten years. (Incorrect)
The present tense with For refers to a period of time that extends into lớn the future.How long are you here for? (Until when) How long have sầu you been here for? (Since when)
In reality, we can use all verb tenses with For.
However, we don"t use For with expressions such as all day or all the time.I was there all day. (Correct)I was there for all day. (Incorrect)
The use of SINCE
Since gives the starting point of actions, events or states. It refers lớn when things began.
Since + a point in time (in the past), until now.I"ve been waiting since 7 o"cloông xã.I have known him since January.
With since we use the present perfect tense or the past perfect tense.I have sầu been here since 5 o"cloông xã & I am getting tired. I had been working since 5 o"cloông chồng & I was getting tired.
Since can also be used in the structure It has been + period of time + since.
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For vs. Since
Knowing when to lớn use FOR & when lớn use SINCE is important. Therefore it is useful khổng lồ look at a summary of the contrast between FOR & SINCE.
Both For and Since are most commonly used with the perfect tense - we don"t use these expressions in the present tense.
While we can use For in the simple past tense we can"t use Since in the simple past tense. Since can only be used in the perfect tense.
It should be remembered that both For và Since have other meanings in English that are not associated with time.This is for you.Is this the train for London? Since you asked, I"ll say yes.Since he didn"t study he didn"t pass the exam.
Would you lượt thích to play a game to practice the difference between For and Since? Then try this Game.
See our For vs. Since English Lesson as a part of our không lấy phí course.
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Download our không lấy phí For vs Since Worksheet (in PDF).You can check the answers to lớn this worksheet here: Answers khổng lồ the For vs Since Worksheet.
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