Word usage is an important but probably overlooked ingredient of a successful story.
I’ll admit right up front that there is no such thing as a perfect novel. There are millions of readers out there and every one of them have their own idea of what constitutes a good or great novel.
So, perfect novel? No! Good, yes.
So what constitutes a good novel?
If someone critiques my book and finds a grammar or spelling error it is my fault. We need to master English to the extent that we can write a good book.
Every book I’ve written has been bathed in prayer. It is not enough to merely follow principles, whether they are secular or spiritual. Writing is more than that. It involves the plot of the work, the characters involved, and the cohesiveness of the story. For that to happen requires a great deal of skill. But it also demands more.
The agent has given you his advice and has made it clear that unless you change things as he has described, he won’t represent you. Complicating the matter is the fact that you have not been able to find another agent. What do you do?
Your grammar must be perfect!
Depends on who you talk to and the specifics involved.