Ребят,кратко объясните как образуются времена в англ.языке: Present perfect, Present Simple, Present Continuous.помогите срочно,завтра контрольная......

Present Simple +Subject+Verb1/Verb1(es) -Subject+don't/doesn't+Verb1 ?(Wh+)Do/Doesn't+subject+Verb1? Present Continuous +Subject+am/is/are+Ving -Subject+am/is/are+not+Vimg ?(Wh+)Am/is/are+subject+Ving? Present Perfect +Subject+have/has+Verb3/Ved -Subject+haven't/hasn't+Verb3/Ved ?(Wh+Have/Has+Subject+Verb3/Ved?