It's the 2nd and 4th one.
Hope this helps! (:
Infinitive
phrases starts with infinitives that is, “to” added by a simple verb and can be
used as nouns, adjectives or adverbs. In the case of including a main clause in
the sentence, infinitive phrase separates it with comma.
In
the sentence:
Because she had never baked a cake before, Sharon decided to follow the
recipe carefully.
<span>A main clause is put first ‘Because she had never baked a cake before’
then a comma is added, so that means the infinitive phrase is ‘d. to follow the
recipe carefully’.</span>
Answer:
Response Sergeants provide daily supervision, guidance and support of constables and coordinate, monitor and where necessary respond to frontline policing activity.