Every complete sentence in English must contain a verb and that verb should be in the correct tense. The tense of a verb says when the action happens. Time is present, past or future. We use the ...
'Can', 'could', 'be able to', 'manage to' Present tenses Present perfect continuous 'Like' for preference and description Adverbs of frequency 'Have to' and 'must' The past simple tense ...