He ______________(to clean) his teeth every day.
We ______________(to play) snowballs last winter.
Tom ______________(to get) a letter yesterday.
Mary______________(to read) a new book next week.
I often ______________( to visit) my friend in Moscow.
Helen usually __________( to do) her homework at 7 pm.
Tomorrow my mother ______________(to buy) a new dress.
Five months ago I ____________(to swim) in the river.
Yesterday he ____________(to be) at the zoo.
Next summer he ____________(to be) at the zoo.
Now he ____________(to be)at the zoo.

He cleans  his teeth every day.

We were playing snowballs last winter.

Tom got  a letter yesterday.

Mary is going to read a new book next week.

I often visit my friend in Moscow.

Helen usually does her homework at 7 pm.

Tomorrow my mother is going to buy a new dress.

Five months ago I was swimming in the river.

Yesterday he was at the zoo.

Next summer he  will be at the zoo.

Now he is at the zoo.