Exercise 5. Identify the one underlined word or phrase that is incorrect in these sentences. Circle the best answer A, B, C or D. 56. My Dad dont usually go to work on Saturday. 57. There are five chairs and two table in the house. 58. My sister always get up at 6 oclock in the morning 59. Tomorrow, Johnnys family and I am going to have a picnic by the river near his house. 60.Michael Jackson and Madonna were famous pop singers on the 1980s.

56. don't -> doesn't

vì my dad là ngôi thứ 3 số ít

57. table ->tables

vì  two là 2 mà table là danh từ đếm đc -> phải thêm s

58. get -> gets

she là ngôi thứ 3 số ít

59. am -> are

chủ ngữ là johnny 's family and I ( chủ ngữ bao gồm nhìu người) -> sdung động từ tobe "are"

60.  on ->in

1. My Dad dont usually go to work on Saturday.

Don’t -> doesn’t (my dad là chủ ngữ số ít)

1. There are five chairs and two table in the house.

Table -> tables (có two nên cần danh từ số nhiều)

1. My sister always get up at 6 oclock in the morning

Get -> gets (my sister là chủ ngữ số ít)

1. Tomorrow, Johnnys family and I am going to have a picnic by the river near his house.

Am -> are (Johnnys family and I là chủ ngữ số nhiều)

60.Michael Jackson and Madonna were famous pop singers on the 1980s.

On -> in (ta có cụm in the + năm(s))