Yes, because "after" is a word that can begin a dependent clause. For example: After I passed all of my exams, I was able to graduate. After looking at the shirts, she selected one with blue stripes. (A dependent clause that begins with "after" needs an independent clause to complete it; the independent clause tells what happened next.)
The proper grammar is "There has come a time." "There" is the subject of the sentence and is singular, hence the correct verb form to use is "has" instead of "have."
The sentence "I wish you were as smart as they." is grammatically correct. It is shortened from "... as smart as they are."
Yes, starting a sentence with "then" is grammatically correct, especially when showing a sequence of events or actions. However, it is usually used sparingly to avoid overuse and maintain variety in sentence structure.
Yes, "you and I" is the proper grammar when the phrase acts as the subject of a sentence. For example, "You and I are going to the store."
It is proper grammar.
No
yes as you proceed into the building, be sure to drop off your papers.
Yes, starting a sentence with "then" is grammatically correct, especially when showing a sequence of events or actions. However, it is usually used sparingly to avoid overuse and maintain variety in sentence structure.
no, that is definitely not proper grammar.
Yes, example: Because of heavy rain, the swollen river flooded the village during the night.
Yes, "The house is not as cheap as he thought" is proper grammar.
Yes, you can use next at the start of a sentence. Next week will have good weather. Next year they are going to Spain for their holidays. Next, put the flour into the pot and stir.
You can start by learning proper grammar. Then she will probably talk to you.
Yes. That sentence is proper as written.
The sentence "I wish you were as smart as they." is grammatically correct. It is shortened from "... as smart as they are."
Yes. For example, What did she point at ? However, do not use 'at' with 'where.'
Before you start a corporation, learn proper grammar.