Declarative sentences and word order Interrogative sentences Questions and answers Imperatives Coordinating and correlative conjunctions Subordinating conjunctions and conjunctive adverbs Pronouns Prepositions Using adjectives Using adverbs Present and past participles Using infinitives Using gerunds Idioms Short responses and interjections Antonyms and contrasts The passive voice and the subjunctive mood Phrasal verbs Letter writing and e-mail Let's write