Relative Clause as a Subject
This is the window.
The window is open.
This is the window that/which is open.
That's the cat.
I fed the cat.
That's the cat which/that I fed.
That's the park.
We had a picnic at the park.
That's the park that/which we had a picnic at.
That's the park at which we had a picnic.
I fed the cat.
The cat's eyes are blue.
I fed the cat whose eyes are blue.
Catherine and Sue are two girls ..... like dancing.
who/that
The students do well.
The students study.
The students who/that study do well.
The cat won't stop following me.
I fed the cat.
The cat which/that I fed won't stop following me.
There are many benches in the park.
We can sit on the benches.
There are many benches which/that we can sit on in the park.
There are many benches on which we can sit in the park.
The cat won't stop following me.
That cat's fur is white.
The cat whose fur is white won't stop following me.
My mobile phone is something ... is very important to me.
which/that
A student misses the first part of the lesson.
A student arrives late.
A student who/that arrives late misses the first part of the lesson.
We should always check the tag of the cat.
We feed the cat.
We should always check the tag of the cat which/that we feed.
The big tree provided excellent shade.
We were sitting under the big tree.
The big tree which/that we were sitting under provided excellent shade.
The big tree under which we were sitting provided excellent shade.
The tree was very big.
We enjoyed the tree's shade.
The tree whose shade we enjoyed was very big.
Anthony is a friend of mine .... lives in Boston
who/that
You can't make a student pay attention.
A student doesn't care about the lesson.
You can't make a student who/that doesn't care about the lesson pay attention.
I checked the tag of the cat and found the owner's phone number.
I fed the cat.
I checked the tag of the cat which/that I fed and found the owner's phone number.
Sam brought the paper plates and plastic utensils.
We ate the food with the paper plates and plastic utensils.
Sam brought the paper plates and plastic utensils which/that we ate the food with.
Sam brought the paper plates and plastic utensils with which we ate the food.
The man will come over tonight to pick him up.
I found the man's cat.
The man whose cat I found will come over tonight to pick him up.
An airport is a place ... planes land.
where
I was a student.
A student had trouble with the lessons.
I was a student who/that had trouble with the lessons.
The owner was so happy and said that he would come over to pick up the cat.
I called the owner.
The owner who(m)/that I called was so happy and said that he would come over to pick up the cat.
The paper plates and plastic utensils were cheap, so we just threw them away.
We ate the food with the paper plates and plastic utensils.
The paper plates and plastic utensils which/that we ate the food with were cheap, so we just threw them away.
The paper plates and plastic utensils with which we ate the food were cheap, so we just threw them away.
A park is a good place to have a picnic.
A park's benches are located under shady trees.
A park whose benches are located under shady trees is a good place to have a picnic.
Kandal is my hometown ... I was born.
where