问几个英语翻译。希望有人帮助

He makes mistake sometimes but not always.
he never does homework but scores good in the class.
Our company does not always gain high margin.

He sometimes make mistakes but not often.

He never does his homework, but learns well in the class.

Our company may not always be the biggest winner/ earn the most profits(revenue).

He makes mistakes at long intervals, but not aften.
He never does the homework, but still study well in his class.
Our company not always gets high profit.

He makes mistakes sometime, but not always.
He never does his homework, but he works/studies pretty good in his class.
Our company does not always make high profits.

He does make a mistake sometimes but not every time.
He seldom does his homework but does well at school.
Our company does not always earn much.

He sometimes make mistakes but not often.

He never does his homework, but learns well in the class.