СРОЧНО!
Write could or couldn`t.
I ... run but i ... walk.
I ... sing but i ... talk.
I ... read and i ... write.
I ... plate late at night.
I ... cook but i ... eat.
I ... play in the street.

I couldn't run but I could walk.I couldn't sing but I could talk.I could read and I could write.I couldn't plate late at night.I couldn't cook but I could eat.I could play in the street.