How does that grammar structure is called?

Explanation:

A gerund phrase consists of a gerund, which is a verb that acts as a noun in the sentence. A gerund can be the subject of the sentence.

a) walter looks unhealthy

hello everyone my name is nevaeh, i know everyone needs in some way, shape, or form and i am willing to provide. i set up a google classroom where people can ask me questions and get on work. no question is a stupid question so do not be afraid to ask. i usually only focus on core subjects but if you ask i will with other specialized subjects. i can do essays all the way to power points : )

my google classroom is the code is 7hr2k4

~ use this opportunity to get more so you can thrive in the classroom