The sentence: "He concurs this book is good." is not grammatically correct. Alternatives include "He concurs; this book is good." or "He concurs that this book is good." A sentence cannot have two verb-subject pairs without some kind of conjunction.
When a book is good, I get lost. It was this sentence grammatical corrected.
No. Him and me is correct.
Yes, it is grammatically correct to say "this date and time is good for me" when referring to a specific date and time that works for you.
The grammatically correct response to "How are you?" is typically "I'm good, thank you," or "I'm doing well, thanks."
yup...
good at studies
It is grammatically correct, but not good English because things cannot be in despair. Use "desperate."
first i think no then i think yes
No, you would say "good-looking picture" or "the picture looks good."
Good job ...or you can say job well done...
The phrase "do good to everyone" is grammatically correct, but it may be more commonly expressed as "be kind to everyone" or "treat everyone well."
Yes, saying "a very good work" is grammatically correct. It follows the pattern of using an article ("a") before a noun ("work") to indicate singularity and general reference. The adjective "very good" describes the quality of the work.