1. Put the verb into the Present Simple, Present Continuous or Present Perfect Tense.

Who (to teach) you to saw? Who (to teach) you to saw so well and quickly?

2. Put the verbs in brackets into the Present Perfect or Past Simple Tense

I just (to tell) you the answer.
She (to answer) the letter on Tuesday.
They (to go) away three months ago.
It’s the first time he (to marry).
You (to see) the moon last night?
The post just (to arrive).
They (to sell) their house already.
You ever (to be) to Egypt? – Yes, I (to go) there last year.
She (to wake) up, (to lie) in her bed a bit, then (to get) up and (to go) to the bathroom.
He never (to fall) in love before.