Did you watch TV when I called last night?
Were you watching TV when I called last night?
My father met my mother 20 years ago. (known)
My father has known my mother for 20 years.
I didn't understand the instructions. They came with my new phone
I didn't understand the instructions which/that came with my new phone.
Audience
The group of people who are listening or viewing a public event.
Yesterday, our teacher...
Yesterday, our teacher(past simple)
My family has lived in this town since three generations ago.
My family has lived in this town for three generations.
When do they plan to get married? (going)
When are they going to get married?
Our website is the place. You can find answers to all your questions there.
Our website is the place where you can find all your questions.
Conductor
A person who directs a band, an orchestra or chorus.
Dave's father hurt his back while...
Dave's father hurt his back while(past continuous)
It's raining. They will must hold the party inside.
It's raining. They will have to hold the party inside.
My big brother moved out and the house seemed empty.
After my big brother had moved out, the house seemed empty/The house seemed empty after my big brother had moved out.
I hope she'll like the book. I gave it to her for her birthday.
I hope she'll like the book which I gave to her for her birthday.
Device
A thing which/that is made for a particular purpose.
-Someone is at the door!
-I...
-Someone is at the door!
-I'll get/open it.
I have a new smartphone which it is not user-friendly.
I have a new smartphone which is not user-friendly.
The climate will be different by the time our children grow up. (changed)
By the time our children grow up, the climate will have changed/The climate will have changed by the time our children grow up.
The gamers are from all over the world. They have to log in before playing.
The gamers, who are from all over the world, have to log in before playing/ The gamers, who have to log in before playing, are from all over the world.
Fiancé
A man who is engaged to be married.
By the time the train arrived, we...
By the time the train arrived, we(past perfect)
I think we are winning the game tonight.
I think we will win the game tonight.
It was possible for you to solve the problem, but you didn't. (could)
You could have solved the problem.
Apple's chief industrial designer is Jonathan Ive. His designs are widely admired.
Jonathan Ive, whose designs are widely admired, is Apple's chief industrial designer/Apple's chief industrial designer is Jonathan Ive, whose designs are widely admired.
Chores
The work which/that you have to do around a house/ A small routine/everyday job which you have to do at home.
By this time next week, we...
By this time next week, we(future perfect continuous)