What grammatical structure is the italicized portion of the sentence? Houses should be designed to take advantage of the sun's heat.

a.adverb clause

b.infinitive phrase

c.past participle phrase

d.elliptical clause

e.adjective clause

Verified Answer :

In the sentence:

Houses should be designed to take advantage of the sun's
heat. (guess underlined phrase: to take advantage of the sun's heat). It is an infinitive
phrase. 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

 

Answer:

4. infinitive phrase  is your answer.