`8`. 

Scientists are trying to solve the environmental polution 

`9` .

She has to look for a job now because she is unemployed

`10` .

Having to work on Sunday gave him pleasantly 

Cấu trúc : 

`8` . S + is / am / are + V-ing (THTTD)

`9` . S + is / am / are + adj / n (THTĐ)

`10` . Vì sau động từ thi ta thêm V_Ing

Chúc bạn học tốt !
#phungquochung

`8`.Scientists

`\rightarrow` Thì HTTD : S + is / am / are + V-ing

`\rightarrow` scientist ( n ) : nhà khoa học

`9`.unemployed

`\rightarrow` Thì HTĐ ( ĐT Tobe ) : S + is / am / are + adj / n

`\rightarrow` unemployed ( adj ) : không có việc làm

`10`.pleasantly

`\rightarrow` Đi sau ĐT là 1 trạng từ

`\text{# Kirigiri}`