[Ãʱ޹®¹ý] UNIT 1.6 - this/these, that/those (demonstrative adjectives and pronouns)
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9. this/these, that/those (demonstrative adjectives and pronouns)
A. Used as adjectives, they agree with their nouns in number. They are the only adjectives to do this.
This beach was quite empty last year.
This exhibition will be open until the end of May.
These people come from that hotel over there.
What does that notice say?
That exhibition closed a month ago.
He was dismissed on the 13th. That night the factory went on fire.
Do you see those birds at the top of the tree?
this/these/that/those + noun + of + yours/hers etc. or Ann's etc. is sometimes, for emphasis,
used instead of your/her etc. + noun:
This diet of mine/My diet isn't having much effect.
That car of Ann 's/Ann's car is always breaking down.
Remarks made with these phrases are usually, though not necessarily always, unfavourable,
B. this/these, that/those used as pronouns:
This is my umbrella. That's yours.
These are the old classrooms. Those are the new ones.
Who's that (man over there)? ~ That's Tom Jones.
After a radio program:
That was the concerto in C minor by Vivaldi.
this is is possible in introductions:
ANN (to TOM): This is my brother Hugh.
ANN (to HUGH): Hugh, this is Tom Jones.
TELEPHONE CALLER: Good morning. This is/I am Tom Jones . . .
I am is slightly more formal than This is and is more likely to be used when the caller is a stranger
to the other person. "The caller's name + here (Tom here)" is more informal than "This is".
"those" can be followed by a defining relative clause:
Those who couldn't walk were carried on stretchers.
"this/that" can represent a previously mentioned noun, phrase or clause:
They're digging up my mad. They do this every summer.
He said I wasn 't a good wife. Wasn 't that a horrible thing to say?
C. this/these, that/those used with one/ones
When there is some idea of comparison or selection, the pronoun "one/ones" is often placed
after these demonstratives, but it is not essential except when this etc. is followed by an adjective:
This chair is too low. I'll sit in that (one).
I like this (one) best.
I like this blue one/these blue ones.