This is an idiomatic phrase, and the correct verb is "lie" (which you do) rather than lay (which you do to something else).
"You really need to lie down" means "You should lie down."
No, the sentence "You are prejudice" is not grammatically correct. Prejudice is a noun, and you is a pronoun. The sentence essentially is saying that "you" are something that you can not possibly be - the noun prejudice. To make the point you're trying to make, you need an adjective to follow the verb "are." Prejudiced is the descriptive adjective form of prejudice, so the grammatically correct sentence should be "You are prejudiced."
The correct one is quite high. If it is higher, then it wins already, and doesn't need anymore explanation.
All you need to say is it's green. The "in color" already implied & redundant.
No. We say "kind of knowledge." In English we need the partitive genitive to follow "kind."
No, you need to add a comma after rich. If I were rich, I would buy a mansion.
Yes, although it is somewhat idiomatic. It means you think that you should lie down.
Yes, this sentence is grammatically correct, but you really don't need the second "that."
No. Us is the objective case, not the nominative case (we). It should be: We teens need more sleep. Or: We, as teens, need more sleep than others.
Yes. A grammatically correct sentence (to begin with) has to have a subject (int this case, hand) and a verb (is). The sentence does need to be capitalized and punctuated correctly though...
You need to learn the rules of English grammar to be able to correct sentences.
The sentence given is grammatically correct. The verb in in its imperative mood and therefore does not need an explicit subject; the subject "you" is presumed.
You need to learn the rules of English grammar to be able to correct sentences.
This is not grammatically correct. It could be recast as, "Your child needs help with nothing in particular" or, better, "Your child does not need help with anything."
No, "I need" is not grammatically correct on its own. It needs to be followed by a verb or noun to complete the sentence. For example, "I need help" or "I need food."
no. not at all really. I am longing for you, implies the waiting. you don't need the redundant word waiting..
Yes, it is grammatically correct to abbreviate "March" as "Mar." for a date, such as Mar. 15th. Just be sure to use the period after the abbreviation to show it is shortened.
No, the sentence "You are prejudice" is not grammatically correct. Prejudice is a noun, and you is a pronoun. The sentence essentially is saying that "you" are something that you can not possibly be - the noun prejudice. To make the point you're trying to make, you need an adjective to follow the verb "are." Prejudiced is the descriptive adjective form of prejudice, so the grammatically correct sentence should be "You are prejudiced."