He knelt on one knee to propose to her. He tried to propose a compromise, but they wanted nothing to do with it.
He propose that
to ask someone to marry you. there you go! :D
For a reason
This one really depends on the context. 'Propose' as in marriage: fire the question, get down on one knee, pop the question, ask for (his/her) hand in marriage. 'Propose' as in suggest: Suggest, put forward, advise, proposition, recommend, urge. There are also other contexts that 'propose' can be used in, these other contexts have synonyms of their own.
A Philosopher King
I propose a toast to all of my coworkers.
I propose we stop writing sentences and go to sleep.The guy wanted to propose to his girlfriend.
I propose that Carl's Jr. Famous Star is a good delicious burger than McDonald's.
The girl proposed to the man when he asked he to marry him
i propose you do your homework if you want to get a good grade and graduate.
You could say: "I propose that we go to the movies tonight, rather than sitting around watching TV."
The employee had an idea and decided to propose it to the employer the next morning.I propose that McDonald's buy Wendy's and call the new chain MegaBurger.He secretly arranged to propose to his girlfriend during the baseball game.
You don't u propose to her
If your getting married to a neighbor, You can propose engagement and then propose the marriage.
The exact same way you would propose anyone you'd want to propose.
The proposed extension of the freeway would eliminate some traffic problems. Copernicus proposed that Earth and the other planets orbited the Sun. He proposed to his girlfriend during the Super Bowl game.
To propose a suggestion is to give an idea for consideration. To propose a challenge is ti give a task or situation that tests one's abilities.