My first Publication 7TH GRADES BOOK | Page 147

Prepared by Hilal ARVAS and students / Şehit Serdar Denizer İmam Hatip Secondary School SHOULD/ SHOULDN’ T  We use should/shouldn’t to give advice. FORM : I/You/We/They/He/She/It Should / shouldn’t + Verb1 MUST / MUSTN’T  We use must to express obligation.  We use mustn’t to express prohibition. HAS TO-HAVE TO / DON’T- DOESN’T HAVE TO  We use has to/have to to express obligation. FORM : I/You/We/They + have to FORM : I/You/We/They/He/She/It must / mustn’t + Verb1 He/She/It + has to + Verb1 I/You/We/They + don’t have to He/She/It + doesn’t have to You should plant more trees. You shouldn’t throw litter on the street. We must use renewable energy. We mustn’t cut down trees. + Verb1 We have to turn off the water when we don’t use it. She doesn’t have to use plastic bags.