Find a mistake: Which bag is better? I think I'm going to buy the black one.
I think I WILL buy the black one.
Find a mistake: Chris won’t take part in the competition, it’s his decision.
Chris ISN'T GOING TO take part in the competition, it’s his decision.
Find a mistake: Mary doesn’t going to take on more work next month.
Mary ISN'T going to take on more work next month.