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be able

Posted July 10, 2019 by SHRweB 655 0 1

We use “able” especially in the structure be able + infinitive. This often has the same meaning as can. There is a negative form unable. Some people are able to / can walk on their hands. I am unable to / can’t understand what...

modal auxiliary verbs: introduction

Posted March 1, 2020 by SHRweB 304 0 0

What are modal auxiliary verbs? The verbs can, could, may, might, will, would, shall (mainly British English), should, must and ought are called ‘modal auxiliary verbs’. We can use them before the infinitives of other verbs and add certain kinds...