The carbroke downon the highway, and we had to call for assistance. Here the underlined phrase is -

• The car broke down on the highway, and we had to call for assistance. Here the underlined phrase is a - Phrasal Verb.

• Phrasal Verb:
- বাক্যে Verb + preposition/adverb থাকলে সেটা Phrasal Verb হয়।
- যেমন - look down upon, give up, look after, break down.
- তাই এখানে Phrasal Verb (verb + preposition) হচ্ছে phrasal verb.
- (broke + down), (verb + preposition) হচ্ছে phrasal verb.