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1 An orange is being eaten by my friends.
2 The film is being watched.
3 The exercise is being done by us.
4 The paper is being cut by her right now.
5 The songs are being sung in the room.
1. This road isn't used very often
2. the dishes is washed in the evening
3. exercises are often done every night
4. the room is usually decorated at week
5. country songs is always sung by daisy
Ex3 passive voice : The future simple tense
1 They won't punish him => HE WON'T BE PUNISHED
2 They will ask you a lot of question at the interview => A LOT OF QUESTION WILL BE ASKED BY YOU THE INTERVIEW
3 They will give her a new one => SHE WILL BE GIVEN A NWE ONE
4 Tom will visit his parents next month => HIS PARENTS WILL BE VISITED BY TOM NEXT MONTH
5 Some people will interview the new president on TV => INTERVIEW THE NEW WILL BE PRESIDENTED ON TV BY SOME PEOPLE
Ex 5 Passive voice : The past continuous tense
21 He was painting the house when I came
=> The house was being painted when I came
22 The teacher was reading the book when we cam
=> The book was being read by the teacher when we came
23 Mary's mother was washing the clothes
=> the clothes were being washed by Mary's mother
24 Her friends were drinking coffee at the cafe
=> Coffe was being drunk at the cafe by her friends
25 He was boiling the eggs when I saw him
=>the eggs were being boiled by him when I saw him
#Yumi
a) cos(;
) =
= 0
=> (;
) = 900
b) cos(;
) =
=
=> (;
) = 450
c) cos(;
) =
=
=> (;
) = 1500
a) Đúng b) Đúng
c) Hai vectơ = ( 5; 3) và
= (3; 5) không cùng phương nên không thể đối nhau, do vậy câu c) sai
d) Đúng
Giả sử ta phân tích được theo
và
tức là có hai số m, n để
= m.
+ n.
cho ta
= (2m+n; -2m+4n)
vì =(0;5) nên ta có hệ:
Giải hệ ta được m = 2, n = 1
Vậy = 2
+
