Unless you hurry, you will not be able to reach school in time.
No, the sentence is not grammatically correct. It should be: "It had been a long time since I had written to you."
Yes, it is grammatically correct to say "this date and time is good for me" when referring to a specific date and time that works for you.
As time flies is grammatically correct.
no.
It can be, but not all the time.
yes
No, I think the correct way is- Is this the first time you've seen it?
Yes, both "joyful time" and "joyous time" are grammatically correct and can be used interchangeably to convey a time filled with joy and happiness.
That sentence is grammatically correct.
Yes, the phrase "I came home at about one o'clock" is grammatically correct. It follows a subject-verb-object structure and conveys a clear message about the time of arrival.
"It is the time for someone" is correct. It implies that it is the right moment or opportunity for that person.
The phrase "you and me" is not grammatically correct in traditional grammar. When referring to the subject of a sentence, it should be "you and I." However, in informal speech or certain contexts, "you and me" is commonly used.