ESL Tips FUNCTIONS OF AUXILIARY VERBS Auxiliary verbs perform different functions in relation to the main verbs that they support: do, does, did split open single-word verbs to form questions or negative statements. Sometimes they are used in positive statements to express emphasis. have, has, had create verbs which imply a relationship between two different times: these are verbs in the perfect tenses. am, is, are, was, were, be, being, been create verbs which show either a continuing action or an action whose subject is passive. might, may, would, can, could, will, shall, should, might, must show the degree of possibility or necessity of the main verb: these are the modal auxiliaries. You may review them in more detail by studying Chart 3, USE OF MODAL AUXILIARIES.

CONTENTS MAIN PAGE SPECIAL INSTRUCTIONS Technical Requirements Navigating Sentence Sense Using Applications Using a Word Processor ESL TIPS CHARTS AND TABLES Auxiliary Verbs Common Verb Contractions Use of Modal Auxiliaries The Four Forms of Regular Verbs Common Irregular Verbs Some Common Prepositions Verbs, Gerunds and Infinitive Completers Summary of Comma Use Uses of Reported Speech Clause Connectors Summary of Solutions for Run-ons Agreement With to do, to have & to be Pronouns Spelling Chart Correction Tally OTHER INTERNET RESOURCES SEARCH ENGINE