In the sentence:
During the long
winter, the harsh restrictions provoked anger and outrage in the public.
The clause is ‘During
the long winter’, which is a adverbial clause.
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<span>Adverb
are words used in shifting or adding meaning of a verb, clause, adjective, or
another adverb. These words can be used if: firstly, a sentence contains a
subject and a predicate. Secondly, when a subordinate conjunction is used and
thirdly, if it answer the ‘adverbial questions’ – when, why, when and how. It
is also further categorized to time, place, manner, degree, condition,
concession and reason</span>
