technology has become perhaps the greatest agent of changes in the world - is the use of perhaps correct?
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I prefer to leave out 'perhaps', as the statement does not need it.
Technology has become the greatest agent of change in the world.
No
You had not taken that into account. Would be the grammatically correct version of that sentence.
The correct punctuation for the sentence is: "How was your weekend?" Jerry asked.
This can fall under two different forms of sentence. One denoting a list, and one not. IE: Thomas is following Susanne. The following is a list of automobile parts you will need: So, this will largely depend on the kind of sentence you are forming and the information you are trying to get across to your audience.
The correct grammar is "Between you and me."
The correct sentence is the following: "What were you doing from before?"
The correct sentence is: "Have you ever traveled before?"
To it is not. The correct term is "how are you?""Which of the following statements is most correct?" is an interrogative sentence, a sentence that asks a question.The interrogative pronoun 'which' indicates that there are two or more choices from which to select a statement.
The following are your resumé and covering letter is a correct sentence.
It is correct.
Yes it is correct to say the following sentence
This sentence is grammatically correct.