Glad to see you again my blogger friends :D, now i'll give you an explanation about conjunctions of time. After read this post, don't forget to follow my blog, give a comment, and wait for my next post, ok? :D 

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We can join two sentences using a conjunction. A conjunction of time gives us information about when two events happen, relative to each other.

Common conjunctions are 'when', 'while', 'as soon as', 'until', 'after', and 'before'.

'When' can be used to show that one event is before, or at the same time as another. 'When' can be used in the past or future.

I studied abroad for a year when i was at university.
When she finishes this course, she'll go abroad for a year.

 'While' can be used to show that two things happen at the same time.

While you're getting lunch ready, I'll wash the car.
I studied judo while I was in Japan.

'As soon as' shows that the second event happened, or will happen, very soon after the first.

As soon as I finished lunch, I went out for a walk.
I'll go out for a walk as soon as I finish lunch.

In the second example, the verb 'finish' is in the simple present but has a future meaning.

'Not ... until' means the same as 'not ... before'.

I didn't leave home until I got married.

'After' and 'before' can be followed by a clause or by a gerund.

After I had eaten five ice-creams, I felt a little sick. Before coming back to Britain, I travelled all over Eastern Europe.