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Words ** in green ** in units 1 and 2
 * VOCABULARY **

Present Simple - form - use - contrast with present continuous Present Continuous - form - use - contrast with present simple Past Simple - irregular verbs (2nd column) - form - use - contrast with past continuous and present tenses Past Continuous - form - use - contrast with past simple Present Perfect - form - use - irregular forms (3rd column) - contrast with present simple and past perfect Past Perfect - form - use - irregular forms (3rd column) - contrast with present perfect
 * GRAMMAR **