Matching Pairs I04 - Giving strong adviceOnline version Useful expressions by Carlos Roldan 1 If you don't 2 I don't think 3 You have to ... (verb) + complement (be) going to ... you should... 1 You have to 2 If you don't leave right now 3 I don't think you should enroll in a postgraduate program. we are going to call security. pay your bills before you ask for the next loan.