Are you dancing now??
Are you danced yeasterday
they swim
they swam
I read a book
I rode a book
He understand teacher
he understood teacher
she sing
she sang
Are grown
had been used
became
was discovered
had noticed
ate
began
is made
serves
be appreciated
said
are
are used
<span>My room had been cleaned by me by the time my mum came.
My morning exercises had been done by me by 7 o'clock.
Our test had been checked by our teacher before we went out.
His watch had been found by him.</span>