It is, but it is not conventional English syntax or grammar.
The sentence should be "What is the time on your watch".
The sentence "How much does it cost?" is a correct interrogative sentence (a question).However, the form "how much it costs" is also correct when used in a declarative sentence, "I don't know how much it costs." or "How much it costs is not a factor."
Yes but you could make it much better. Search for advice on sentence and word structures.
The correct sentence is: "I am very much looking forward to reading them."
This sentence is grammatically correct but does not have much meaning.
Yes, the sentence is correct. It conveys that the speaker expects to visit London from time to time in the future.
No, I think the correct way is- Is this the first time you've seen it?
I appreciate you taking time out from your busy schedule.
No it is incorrect. "Its" is used incorrectly.It would be correct if it was:"It's time you were in bed."or"It is time you were in bed."
Your account has not been generating much traffic.This sentence is grammatically correct. It is negative present perfect continuous.
It's not so much the grammar as an issue with the word choice. Replacing "out" with "the" or "some" produces a much more natural sounding sentence that is more likely to be something a native English speaker would say. Examples: Thank you very much for finding the time to meet me. Thank you very much for finding some time to meet me.
"He showed it to her" is much better.