True, We use modal verbs to talk about rules, recommendations, permission, and ability., After modal verbs, we use the base form of the verb., We use must and have to to talk about obligation., We use should to give recommendations., We can use can to talk about ability., We can use can to ask for permission., May I...? is more polite than Can I...?, Could can talk about ability in the past., Will be able to can talk about ability in the future., Mustn't means something is not allowed., False, After modal verbs, we use the -ing form of the verb., We use should to talk about school rules., Can I use your phone? is a sentence about ability., I can swim. is a sentence about permission., Mustn't means "it's a good idea not to do something.", Have to means the same as don't have to., Could is used only for permission., Will be able to talks about past ability., May I open the window? asks about ability., Shouldn't means something is not allowed by law or rules.

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