Verbal phrases is also known as:

The correct answer is: Group verb.

Verbal Phrase/Group verb:

- A verb phrase (VP, also called a "verb group") consists of a main verb and its auxiliary verbs (including modals). অর্থাৎ. এক বা একাধিক word একত্রে মিলে যখন একটি verb এর মত কাজ করে তখন তাকে Verbal phrase বলে । এদেরকে Group verb ও বলা হয়ে থাকে।
Example: He gave up smoking.

Source: A passage to the English Language by S.M Zakir Hussain.