National Geographic 1

Millions of people now live with the debilitating disorder, which can be triggered by viral illnesses.
 
– What is the subject of this sentence?
The subject of the sentence is millions of people.
 
– Is the subject singular or plural?
Millions of people is a plural subject.
 
– What is the tense of the sentence?
There are 2 clauses in this sentence:
(1) Millions of people now live with the debilitating disorder = independent/main clause
Plural subject + base form
This clause uses the present simple tense.
 
(2) which can be triggered by viral illnesses = adjective clause
This clause uses the present tense using a modal verb (can).
 
– Is this an active or passive sentence?
(1) Millions of people now live with the debilitating disorder = independent/main clause
Plural subject + base form
This clause uses active voice.
 
(2) which can be triggered by viral illnesses = adjective clause
can + be + past participle
This clause uses passive voice.
 
– Is there a noun, adjective or adverb clause in this sentence?
 
There are 2 clauses in this sentence:
(1) Millions of people now live with the debilitating disorder = independent/main clause
(2) which can be triggered by viral illnesses = adjective clause
 
An adjective clause gives additional information to a noun or noun phrase.
the debilitating disorder = noun phrase
which can be triggered by viral illnesses = adjective clause
error: