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1. There are two books on the table.
1. There are not two books on the table.
2. There is some water in the bottle.
2. There is not any water in the bottle. / There is no water in the bottle.
3. There is a bird on the tree.
3. There is not a bird on the tree.
4. There is a large tree in the park.
4. There is not a large tree in the park.