Defining and non-defining relative clauses

where

which

that

whose

-

which

that

whose

when

which

that

where

when

which

that

where

when

which

that

where

when

which

where

why

when

whose

where

why

when

whose

where

that

We went to the village which Lucy recommended.

We went to the village who Lucy recommended.

We went to the village that Lucy recommended.

My sister who I live with knows a lot about cars.

My sister, who I live with, knows a lot about cars.

The week when they were in Edinburgh was lovely and sunny.

The week, when they were in Edinburgh was lovely and sunny.

The week, when they were in Edinburgh, was lovely and sunny.

The police arrested a man who Jill worked with.

The police arrested a man that Jill worked with.

The police arrested a man when Jill worked with.