For and Since – grammar explanation

For and since are often given as the key words which signal that present perfect tense should be used. It is not 100% true but it makes life easier for elementary and lower intermediate students.

However, sometimes it is difficult for learners to know which word they should use. The rule is simple. FOR is used when we give the length of the time (for three days) and since is used when we give the beginning of the time (since Monday). You can see the graphical explanation of this rule below.
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[showmyads] In this post you can find an interactive video, where the grammar is explained and tested by the experts from BBC learning English.com, a mind map explaining the difference between FOR and SINCE graphically and a quiz with a game to practise the correct usage of the words For and SINCE.

Play the following video and answer the questions. If you succeed, you can play the game Highway race.
For and SINCE – interactive video In the mind map there is the graphical explanation of the usage of the words FOR and SINCE.

There are two games for you.

FOR and SINCE – quiz

There are 22 items in this quiz. If you answer more than 60% of all the questions correct (that is not so difficult) you can play the game called Rock, Paper and Scissors. In this game you win if you give a Rock and your opponent scissors, you give a paper and your opponent gives rock and finally, you win if you give scissors and your opponent gives a paper.

For and Since – Quiz

SINCE and FOR – fling the teacher game

This game is slightly more difficult as you mustn’t make a mistake to win. You have to answer all the questions correctly to build the machine and fire your teacher 🙂 You can use up to three helps which are displayed on the screen.

For and Since – Fling the teacher