It is grammatically correct to say: There is nothing wrong with this machine.It is not grammatically correct to say: Will it is be grammatically correct to say ....The correct way to write that or say that would be: Would it be grammatically correct to say....
No, since Koreans is plural, but one is singular. Try "Koreans are the best drivers...." or "Koreans are among the best drivers...." or "Koreans are some of the best drivers..." If you said "A Korean is one of the best drivers.....", that would also be grammatically correct.
No, it is not grammatically correct. The correct way to say it is "your older sister."
The second one is more correct.
This phrase is not grammatically correct. One may say, "regardless of ... " or "whether or not ... "
'What a drunkard you are' is a grammatically correct English sentence.
No, it is not grammatically correct to say "these ones." Instead, you should say "these" or "these ones" without both words together.
No, it is not grammatically correct to say "what a fun." It should be corrected to "What fun!" to make it grammatically accurate.
Certainly. If one were to make a comparison saying "He can run as quick as a cheetah" then it would be grammatically correct.
No. Him and me is correct.
This sentence is grammatically correct.
It is not, but it is widely used because it conveys the general idea of the question as well as its grammatically correct version.No you should say "Where are you" the at at the end is not needed.