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.