代词： ThisisMary. Thosearemy
1) instructions pronouns (this/that) singular and plural (these/those) in two ways, which can be used as determiners and pronouns can be used, for example:
qualifiers: ThisgirlisMary. Thosemenaremy
2) pronouns: syntactic properties of instructions pronouns;
as the subject matter on the way do.
B. is the object of the object
I love this even that one.
C. as a complement to the subject
my idea is so.
D. is the prepositional object
I did not reject that.
it's not awful.
clarifies that 1:
pronoun can be used as a subject when referring to a subject, but also refers to a person. But when making other sentence components, it can only refer to objects, not people, such as
(right) Thatismyteacher., that is my teacher. (that as a subject, a person)
(right) Heisgoingtomarrythisgirl. he wants to marry the girl. (this as a qualifier)
(wrong) Heisgoingtomarrythis. (this can not be referred to as an object)
(right) Iboughtthis. I buy this. (this, for
That and clarify the object) those can be used as attributive clauses by word, but not this and these, at the same time, in the later words, only those can refer to people, try to match:
(for Headmiredthatwhichlookedbeautiful.) he looked beautiful praise.
(right) Headmiredthosewholookedbeautiful. he praised the beautiful people. (those refers to human)
(wrong) Headmiredthatwhodancedwell. (that does not refer to human as object)
(right) Headmiredthosewhodancedwell., he praises the person who dances well. (those refers to people)
(right) Headmiredthosewhichlookedbeautiful. he exclaims those beautiful goods on the surface. (those finger)