Object vs. subject

[reiner]

English Grammar Tests, Elementary Level

ESL/EFL Test #79 "Pronouns: who, whose, whom, which", question 1

This is the teacher ......... told me my son has been misbehaving in class.

(a) which
(b) whose
(c) whom
(d) who

English Grammar Tests, Elementary Level

ESL/EFL Test #79 "Pronouns: who, whose, whom, which", answer 1

This is the teacher who told me my son has been misbehaving in class.

Correct answer: (d) who
_________________________

how do i know it is subjet objet
object vs. subject

reiner

[Alan]

Hi,

Simply put, the subject is usually the word that does something and the object is the word receiving what is done. In the sentence: