$\text{Có 3 cách rút gọn mệnh đề quan hệ}$
$\text{1)Dùng cụm V_ing cho mệnh đề chủ động (câu 14,18,20,21,22)}$
$\text{2)Dùng cụm phân từ 2 cho mệnh đề bị động (câu 13,15,16,17,19,23)}$
$\text{3)Dùng cụm động từ nguyên mẫu to V_inf khi các danh từ đứng trước có bổ nhữ như "the first,the second,the third,ss nhất,...."|Nếu S của hai mệnh đề khác nhau thì thêm cụm for sb trước to V-inf. (câu 24,25)}$
$\text{13.Our solar system is in a galaxy called the Mily Way.}$
$\text{14.Do you know the people who living in the house opposite?}$
$\text{15.A throne is the chair occupied by a queen, king, or other rulers.}$
$\text{16.The guides dressed in Loyalist costumes are high school students.}$
$\text{17.Laura wore a parka borrowed from a friend.}$
$\text{18.The envelop lying on the table has no stamp on it.}$
$\text{19.The students don't know how to do the exercises given by the teacher.}$
$\text{20.All students not handing in their papers will fail in the exam.}$
$\text{21.Trains leaving from this station take an hour to get to London.}$
$\text{22.The candidates who sitting for the exam are all from Vietnam.}$
$\text{23.The city destroyed during the war has no been rebuilt.}$
$\text{24.I haven't anyone to go with.}$
$\text{25.We have some picture books for children to read.}$