The students from China. He sits next to me in the English class.

• The student whose sits next to me in the English class is from China

• The student, who sits next to me in the English class is from China

• The student, that sits next to me in the English class, is from China

• The student who / that sits next to me in the English class is from China

Thank you very much for your email. It was very interesting.

• Thank you very much for your email, which was very interesting.

• Thank you very much for your email, that was very interesting.

• Thank you very much for your email which was very interesting.

• Thank you very much for your email who was very interesting.

Smartphones can store audio books. They have a lot of storage space.

• Smartphones, which have a lot of storage space, can store audio books.

• Smartphones which have a lot of storage space can store audio books.

• Smartphones have a lot of storage space, which can store audio books.

• Smartphones can store audio books that have a lot of storage space.

I talked to a girl. Her bicycle broke down in front of the shop.

• I talked to the girl that bicycle broke down in front of the shop.

• I talked to the girl whom bicycle broke down in front of the shop.

• I talked to the girl who bicycle broke down in front of the shop.

• I talked to the girl whose bicycle broke down in front of the shop.

Your mother gave you the money. What did you do with it?

• What did you do with the money, that your mother gave you?

• What did you do with the money, which your mother gave you?

• What did you do with the money that your mother gave you?

• What did you do with the money whose your mother gave you?

We really love participating in discussions. It helps us share our ideas and learn from others.

• We really love participating in discussions, which helps us share our ideas and learn from others.

• We really love participating in discussions this helps us share our ideas and learn from others.

• We really love participating in discussions which helps us share our ideas and learn from others.

• We really love participating in discussions who helps us share our ideas and learn from others.

The chidren were playing in the playground. They are not from our school.

• The children whom were playing in the playground are not from our school.

• The children, who were playing in the playground are not from our school.

• The children, that were playing in the playground are not from our school.

• The children who  were playing in the playground are not from our school.

My classmate has won the 1st prize in the singing competition. His father is a musician.

• My classmate, whose father is a musician, has won the 1st prize in the singing competition.

• My classmate, who father is a musician, has won the 1st prize in the singing competition.

• My classmate, whom father is a musician, has won the 1st prize in the singing competition.

• My classmate whose father is a musician has won the 1st prize in the singing competition.

Science teachers can easily explain the topics. They use 3D projectors and other devices.

• Science teachers whom use 3D projectors and other devices can easily explain the topics.

• Science teachers, who use 3D projectors and other devices, can easily explain the topics.

• Science teachers who use 3D projectors and other devices can easily explain the topics.

• Science teachers whose use 3D projectors and other devices can easily explain the topics.

Mr Minh has created a list of the most useful apps for his classrooms. It is available on his blog.

• Mr Minh has created a list of the most useful apps for his classrooms, that is available on his blog.

• Mr Minh has created a list of the most useful apps for his classrooms, who is available on his blog.

• Mr Minh has created a list of the most useful apps for his classrooms, what is available on his blog.

• Mr Minh has created a list of the most useful apps for his classrooms, which is available on his blog.