Give the second and the third forms of these verbs (сказуемых).
To sing,to eat,to give,to spend,to come,to send,to bring,to understand,to run,to swim,to draw,to drink,to pay,to find,to choose,to buy,to make,to go,to do,to get.

To sing -sang ,sung .
To eat -ate, eaten.
To give -gave, given .
To spend- spent , spent.
To come- came ,come .
To send -sent , sent
to bring- brought, brought.
to understand- understood, understood.
to run- ran ,run .
to swim- swam ,swum .
to draw- drew, drawn .
to drink- drank , drunk .
to pay- paid ,paid .
to find- found , found .
to choose- chose , chosen.
to buy- bought, bought.
to make- made ,made .
to go- went - gone .
to do- did , done .
to get- got - gotten .