Because of, as, because , for and with

Называют причину ситуации

Одновременным выделением причин: because of, as, because, for and with.

Мы можем начать предложение этими словами, чтобы назвать причину какой-то конкретной ситуации:

As it is getting cold, we have decided we should wear warm clothes home.
They must have been near the ocean, because they could hear the waves.
Since they were going to move to Paris for a year, they thought they should learn smth about this country.
Victor can go and see Svetlana, seeing that he has to drive past her mansion anyway.

Because может употребляться вначале предложения

Обратите внимание, что: because может употребляться вначале предложения

Because everything didn't look the same, we obvious knew how to get there.

В качестве объяснения причины в разговорном английском языке, мы чаще всего используем because (в разговорном английском 'cos'). So, также широко используется и может выражать тот же смысл. Сравните:

Because our parents have came back, we will not be able to to throw a party on Friday after all. 
My mother's arrived, so I won't be able to meet you on Thursday after all.

В этом значении since носит формальный характер:

She didn't ride her motorbike because she wasn’t feeling fine, ('since' не типично для употребления в разговорном языке)

Seeing that, что используется в неформальной английской речи. Некоторые люди также используют seeing as в неформальной речи :

He just had to apologies, seeing that/as (так как) he knew he'd made a mistake.

For, inasmuch as в формальной и литературной речи

Мы также определяем причину этими фразами в формальной или литературной письменной речи :

They have to start planning now, for this business may be set up by others unexpectedly.
The films were extraordinary in that there were only five actresses in it.
Clack and my friend have quite a difficult life, inasmuch as either of them has to work too hard to make quite a lot of money.