... Present perfect S + have + V3/ed has S+have+not+V3/ed has Have +S +V3/ed ? Has ADV .of time Usually, always, sometimes, often, never, every, seldom, rarely… Yesterday, ago, last, in 2002, when (câu ... VERBS TENSES (Thì động từ) TENSES Simple present FORMATION S + Vo/ Vs/es NEGATIVE S + don’t +Vo ... V-Vs-Ves 2.V2/ed 3.will +Vo 4.am/ is/ are + Ving 5.were/ was + Ving 6.have/ has + V3/ed 7.Modal verbs: Can May Must + Vo Have to Should… Be going to PASSIVE Am/ is/ are + V3/ed Were/ was...
... LIST OF TABLES Table 1: Forms of primary auxiliary verb “be” 10 Table 2: Forms of primary auxiliary verb “have” 13 Table 3: Forms of primary auxiliary verb “do” 18 Table ... Percentage of errors in the use of primary auxiliary verbs 27 Table 5: Marks and level of the students 28 LIST OF FIGURE Figure 1: The performance of the students on primary auxiliary verbs ... scope is on grammar of primary auxiliary verbs and the uses of grammar of the students The common errors in the use of primary auxiliary verbs are also mentioned The participants of the study are...
... TENSES T 10 Fill in the missing forms of the irregularverbs Base form Past Tense Past Participle arise arose arisen begin began begun buy bought...