IELTSDaily

As long as and so long as

As long as and so long as are conjunctions.

As long as

We use as long as to refer to the intended duration of a plan or idea, most commonly referring to the future. We always use the present simple to refer to the future after as long as:

We are very happy for you to stay at our house as long as you like.

I’ll remember that film as long as I live.

Not: … as long as I will live.

As long as and so long as

As long as or so long as also means ‘provided that’, ‘providing that’ or ‘on condition that’:

You are allowed to go as long as you let us know when you arrive.

So long as is a little more informal:

You can borrow the car so long as you don’t drive too fast.

October 25, 2016