Artikillar Artikllarning ikki turi mavjud Indefinite -a, an Definite -the Noaniq artikl (a, an) qadimiy ingliz tilidagi one

9.because and because of
Because (conjunction) introduces a clause.
I couldn't do the work because I was ill.
Because of (preposition) takes an object:
I can't do the work because of my illness.
On account of + object can be used in place of because of in formal contexts:
Farms are going bank rup + an account of the crisis in agriculture.
10. Before and front of
Before is normally used to refer to time:
Make sure you're there before + before can refer to space when used with verbs like com, go, lie, stand, and in fixed expressions, such as appear before the magistrate, before (or in front of) your very eyes come before the court (before= in the presence of ' in some of these expressions). In front of (and it opposite behind) refers to position or place. Before us not possible in most ordinary contexts to refer to position.
I'll wait in front of the shop (Not before) Before (like after) combines with e.g. come/go and is interchangeable with in front of.
You come before (after) me in the queue
Why don't you go (before) after me?
Before and in front of are interchangeable when we refer to big geographical areas
There, before/in front of us, lay the desert. Or when they are used metaphorically to refer to big stretches of time.
Your whole life lies before/in front of you.
11.Behind, at the back (of), back Behind ca be used as a preposition
There's a big garden behind this house, or as an adverb.
There's a garden in front and one behind.
Behind can be replaced by at the back (of):
There's a garden at the back of the house.
There's a garden at the back.
Back is an adverb and often combines with verbs like keep, put, stan, and stay.
I wish you'd put things back in their places.
Keep this book. I don't want it back.
Back must not be confused with again in e.g. Our neigh bours invited us to dinner a month ago and we must invite them back. (return their hospitality)
We enjoyed having our neigh tours to dinner and we must invite them again (no another occasion)
When the idea of back is contained in the verb, the adverb back must not be used.
We had to go back early.
We had to return early.
(Not return back)
Back can also be used in the sense of ago.
I saw him four years back/ago.