a) Past Perfect Progressive ...had been + present participle b) Past Perfect ...had + past participle c) Past Progressive ...was/were + present participle d) Simple Past ...past tense form e) Present Perfect Progressive ...have/has been + present participle f) Present Perfect ...have/has + past participle g)Present Progressive ...am/is/are + present participle h)Simple Present ...present tense form = almost same form as infinitive (except "to be"); when used with he/she/it: +(e)s (except modal helping verbs) i)will-Future ...will + infinitive j)will-Future Progressive ...will be + present participle k)will-Future Perfect ...will have + past participle l)will-Future Perfect Progressive ...will have been + present participle m)Going-to-Future ...am/is/are going to + infinitive