Melvin Duke

toefl nouns subject adjectives adverbs pronouns comparatives parallel structures checklist writing revising verb prepositional phrases do make prepositions linking verbs to0efl posessive object irregular plurals countable uncountable singular plural passive parallel comparatives parallel comaparatives superlatives paired conjunctions coordinate conjunctions time expressions past perfect present perfect past participles after "have" verb tenses indefinte pronouns inverted subject-verb quantity cause/effect essay paragraphs editing checklist for paragraphs tourism conference english activity business hotel