|4.The first noun's article is dropped when a noun is being modified by another noun.|
|5. We don't usually use "the" after both.|
-Both (the) cities are very beautiful.
|and we sometimes leave out "the" between 'all' and a number.|
-All (the) four kittens were left behind.
|We sometimes don't put 'the' after 'all' like - all time,all day, all night,all month,all year, etc.|
We had the booth camp all night.
We haven't talked all day.
|6.We don't usually put articles like a/an after kind of,sort of, and type of,etc.|
-What type of shirt are you wearing?
-Have you seen the kind of contact lens she was wearing?
|7."The" is not used after "the amount/number of".|
-I was shock at the number of guest he have today.
-They didn't told us the amount of the check.
|8.man and woman can be used as a general sense and we may put no articles into it.|
-They say that man can't leave alone.
-One way to a men's heart is through his stomach.
-Women always love to cook food.
|9.We don't use "the" when we mean 'the day/month before or after.|
I will call you on Friday.
We will have a vacation this weekend.