THE DIFFERENCE BETWEEN “ MUSTN’T ” AND “NOT HAVE TO”
MUSTN’T : Cấm đoán (luật lệ )
Ex: You mustn't smoke here
NOT HAVE TO + V : Không cần thiết phải làm
Ex: You don't have to get up early
15/ Rewrite : NOT HAVE TO = BE NOT NECESSARY + TO V = NEEDN’T +V= NOT NEED + TO V
Ex: You don’t need to worry about it
↔ You needn’t worry about it
↔ It is not necessary for you to worry about it
↔You aren’t necessary to worry about it
↔ You don’t have to worry about it
16/ OUGHT TO / SHOULD / HAD BETTER + V ↔ giving advice
Ex: you ought to / should / had better do exercises every day
UNIT 4 :
17/ USED TO : a habit in the past
Used to + V = Would + V
Ex: I used to play football when I was young = I would play football when I was young
18/ Rewrite : NOT …ANY MORE / ANY LONGER – NO LONGER = USED TO +V
Ex: I don’t live on a farm any more
Ex: I no longer live on a farm
Ex: I usually lived on a farm
Ex: I don’t live on a farm any longer
è I used to live on a farm
19/ SIMPLE PAST TENSE OF TO BE / ORDINARY VERB:
Simple Past tense of verb “ BE”
Aff : I / He / She / It + was
We / you / they + were
Neg : I / He / She / It + wasn’t
We / you / they + weren’t
Inter : Was + I / He / She / It ....?
Were + We / You / They .......? → Yes, S + was / were
→ No, S + wasn’t / weren’t
Ex: She was in Nha trang last week
→ She wasn’t in Nha Trang last week
→ Was she in Nha Trang last week ?
Simple Past tense of Ordinary Verbs
Aff : S + V (ed/ 2)
Neg : S + didn’t + V
Inter : Did + S + V ? → Yes, S + did / No, S + didn’t
Ex : She bought a new bag yesterday
→ She didn’t buy a new bag yesterday
→ Did she buy a new bag yesterday ?
Ex: She went to Tri Nguyen Aquarium in Nha Trang last week
→ She didn’t go to Tri Nguyen Aquarium in Nha Trang
→ Did she go to Tri Nguyen Aquarium in Nha Trang?
*Adverbs of time : yesterday (morning / evening / afternoon ) , last (week / Sunday / month..), ago, in 19..., this morning
* Use : an action happened in the past
* Pronunciation :
/t/
→ k, p, ch, sh , s , f, x
ex : stopped , booked , washed , watched , fixed
/id/
→ t, d
ex: wanted, needed
/d/
→ others
ex: enjoyed
20 / PREPOSITIONS OF TIME :
IN + MONTH/ YEAR : in January