Надо general and special question задать к предложениям the cake was so tasty that i ate it all. i forgot to phone you. i got the figures somewhere else.

The cake was so tasty that I ate it all. 
Was the cake tasty? (G.)
 What was tasty? (S.)

I got the figures somewhere else.
Did I (you) get the figures anywhere else? (G.)
What did you (I) get? (S.)

I forgot to phone you.
Did you (I) forget to phone me(you)? (G.)
What did I (you) forget? (S.)

Was the cake so tasty that I ate it all?
Why did I eat the cake?

Did I forget to phone you?
Who did I forget to phone?

Did I get the figures anywhere else?
What did I get anywhere else?