Present perfect: affirmative-negative-interrogative Present perfect: affirmative-negative-interrogative
Past simple: regular verbs (affirmative - negative) Past simple: regular verbs (affirmative - negative)
Past simple, past perfect simple and past perfect continuous Past simple, past perfect simple and past perfect continuous
Affirmative and negative forms of past continuous tense Affirmative and negative forms of past continuous tense
Present perfect simple and present perfect continuous Present perfect simple and present perfect continuous