The sentence has one error, the word route means 'the way to get from one place to another', the correct word for the sentence is root meaning 'origin, source, or base'. The correct sentence should read:
You tried to get to the root of the problem.
Root; you tried to get to the root of the problem, meaning the bottom or cause of the problem.
It is not incorrect. Maybe a better sentence would be: He tried to sway your vote. Or, He tried to bias your vote.
He tried all his teachers' patience.
He explained the procedure concisely; I had no problem the first time I tried it.
it is an infinitive phrase.
No. Depending on what the original idea was, the correct sentence would be: "The people try to help." "The person tries to help." "The people tried to help."
Polite is the correct spelling.An example sentence is: He was very polite.Another example sentence is: I tried to be polite but she was too annoying.
The correct phrase is 'Had tried. The word 'had' represents a past-tense statement.
have you tried annul
James furrowed his brow at Kate's request.
India
I tried and tried, but it came to nought.