In English grammar^x, Demonstrative Adjectives^x

Clive wrote:in the following sentence "This man is very old" is "This" a demonstrative pronoun, an adjective and a determiner??? It's a demonstrative adjective, which means it is a determiner. It's not a pronoun, because it does not represent a noun, it cannot be replaced by a noun.Hi...

The following is from Mary Ansell's English Grammar: Explanations and Exercises. In your sentences, the numbers should precede the superlatives. Otherwise, one might get the feeling that there are several groups of 50 people each and you are selecting the most beautiful group. Usual Order...