English Lessons on Videoidiomatic modal verbs More Videos: have to have to + be able to can use (be) able to — past tense be – present and past tense nouns time / days / date / month pronouns present continuous tense present tense past tense future tense adjectives adverbs past continuous tense be – future tense modal verbs idiomatic modal verbs comparatives superlatives future continuous tense perfect tenses the passive voice making sentences prepositions conjunctions phrases math pronunciation: vowels pronunciation: consonants listening important verbs in English Basic English