I have to think
They're both correct in the appropriate context. From your question I can't decipher context so can't really say.
yeah , i think is correct say a lot of thanks for quick response...
no it is not a correct sentence.
The sentence, "They are going to the beach." is correct.
This is not a sentence it is a phrase and as a phrase it is correct.
"I think I caught a cold." would be correct.
like you can say example: hey do you think i wrote a good sentence?
Yes. Think about it in a sentence. "Is he in the seat?"
first i think no then i think yes
They're both correct in the appropriate context. From your question I can't decipher context so can't really say.
No, I think the correct way is- Is this the first time you've seen it?
People who think.Thinks is the third person singular form of think. Use thinks when you have he/she/it or a singular noun subject.eg He thinks you are irresponsible. The Doctor thinks you are very sick.
"How are you" is a correct sentence.
The correct sentence is "Give the award to whomever you think is best."The pronoun "whomever" is the objective form, functioning as the object of the preposition "to".The pronoun "whoever" is the subjective form.
yeah , i think is correct say a lot of thanks for quick response...
Yes, it is grammatically correct to end a sentence with the word "so." However, it may be informal or conversational in style.
Yes, this sentence is correct.