No, the sentence 'The researcher with all his assistants explain such claimed to be true' does NOT use correct grammar.
Correct examples:
Better:
Note: "All of his assistants" isn't really needed because it is assumed most researchers have assistants. The assistants typically do not take public credit, or defend the claims, unless they were on the team of chief researchers or the assistants present the results on behalf of the researcher.
"As true" is not unnecessary if you use the verb defended.
Yes, the sentence "It has been long said that music is universal" is correct. It conveys the idea that many people have acknowledged or claimed that music transcends cultural boundaries and is understood and appreciated by people worldwide.
No, the correct sentence should be "Had you taken the test before?"
The correct sentence is "Did she come there?" - using "came" is not grammatically correct in this context.
No, "Is felt" is not the correct form in the sentence. The correct form would be "She replied that she felt better."
The correct sentence is 'I will come home at 3pm'.
That is the correct spelling of "claimed" (alleged ownership).
Explain why it is not correct then reformulate a new hypothosis.
Yes, the sentence "It has been long said that music is universal" is correct. It conveys the idea that many people have acknowledged or claimed that music transcends cultural boundaries and is understood and appreciated by people worldwide.
"How are you" is a correct sentence.
Yes, this sentence is correct.
You are palpitating. This is a correct sentence.
Yes, the sentence "your retina is healthy" is correct.
no it is not a correct sentence.
That sentence is grammatically correct.
no_____If the sentence is You do do that (meaning You are in the habit of doing that) the grammar is perfectly correct and the sentence 'does have correct grammar'.
All of these answers are correct
"You and him" is correct in a sentence such as, "I sent the tickets to you and him," versus a sentence such as, "You and he should send the tickets to me."