1.This is the second article that I have written in English.
2.It is the best film that he has ever seen.
3.This is the very book that I want to read.
4. All that they told me surprised me.
5.They talked about the teachers and schools that they had visited.
6. Who is the girl that was there?
7.There is a bed in the room that is still vacant.
8.After ordinal number and superlatives.
9.After the following words:all, only, little, few, much, very, none, last, just, any(thing), every(thing), some(thing),no(thing).
10.After two or more antecedents,referring to both people and things.
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