The Use of Tenses in English [antikvár]

PART ONETENSE FORMS CONSTRUCTION OF TENSE FORMS§ I. There are 32 different tense forms in English which must be learned and remembered.Study the table in Appendix II and recognise:(i)that all the Active Continuous forms, both Ordinary and Perfect, have some tense of the verb "to be" in front of a present participle,(ii)that the Perfect Non-continuous forms have some tense of the verb "to have" in front of a past participle, and(iii)that all Passive forms. Non-continuous and Continuous, Ordinary and Perfect, have some tense of the verb "to be" in front of a past participle.Now study the table again together with the following more detailed rules of tense-form construction: § 2. The Ordinary Non-continuous Active Tenses (i, 3' 5) 7)often known as the Simple Present, the Simple Future, the Simple Past, and the Conditionalare the Basic Tenses.e.g. I teach, lead, offer, etc.I shall teach, shall lead, shall offer, etc. I taught, led, offered, etc. I should teach, should lead, should offer, etc. § 3* The Ordinary Non-continuous Passive Tenses (2, 4) 6, 8) are constructed with the Basic Tenses of theBI