اللغة الإنجليزية فصل ثاني

Unit 5 

Grammar 

have to, don't have to , can and can't

 (have to, don't have to , can and can't) are called, modal verbs 

Have to / has to : for obligation

Don't have to / doesn't have to : for something you don't need to do it.

Can : for ability

Can't: for something you don't have tha ability to do it.