I couldn't stand to saw seeing her suffering suffer because I want wanted to help her overcome 

I couldn't stand to think thinking about my sister who went too far
I couldn't stand to ask asking for help instead of thinking myself
She couldn't stand to hear hearing them arguing argue.

I couldn't stand to think thinking about this awful idea.

He couldn't stand to visit visiting his mother; he didn't like her.

Lola can't couldn't* stand to work working in the office.
She couldn't stand to see seeing herself in that awful dress

*only if Lola doesn't work there anymore.

In the context of grammar, "предложение" is a "sentence," not an "offer."  Therefore:  "Please check my sentences!"