I helped Bob_(买)a new watch.

I helped Bob_(买)a new watch. I helped Sally buy a new watch I HELPED SALLY BUY A NEW WATCH是什么时态 I helped Sally ___(buy)a new watch. I helped Sally buy a new I helped Tom bought a new computer. i( )buy a new watch... I helped Sally ______(win)a new hat Jim helped his mother (buy) a new watch last month.用buy还是to I have a new watch.I will show_______ I have a new watch.I'll show____. i have a new watch .i'll show _______