Structureand Formula of the Future Perfect Continuous Tense. Here is the formula that you can use to structure a sentence in the future perfect continuous tense. Subject + Helping verbs (will + have + been) + Present participle form of the main verb + the rest of the sentence. Now that you know the formula of the future perfect continuous
Thepresent perfect continuous tense (sometimes called the present perfect progressive tense) is formed by using the present tense of the auxiliary verb have (or has, if used with third-person singular pronouns) along with been (the past participle of the auxiliary verb be) and the present participle ( -ing form) of the "main" verb. For
Weuse the present perfect continuous to talk about a current situation that started in the past. We often use it to ask or answer the question How long ? We can use it with for + a period of time or since + a point in time.Backto: Active-Passive Voices. Rule for changing voice in present perfect tense from active to passive -. Active Voice. Passive Voice. Subject + have/has + Verb [past participle] + object. Object + Have/Has + been + verb [past participle]+ By/to/with + Subject.
Presentperfect tense กับ present perfect continuous tense ถือเป็น tense ที่มีการใช้ใกล้เคียงกัน หลายคนจึงมักจะสับสนเวลาเลือกใช้. เพื่อช่วยเคลียร์ข้อสงสัยว่า 2 tense นี้ต่างกันยังไง