Question

2) Identify model auxiliary and state its
function could I see your computer for
surfing net
​

Answer 1

Answer:

this sentence denotes a question tag so this is introgative

Answer 2

Answer:

The model auxillary is could.

Explanation:

Could indicates permission as well as past.

For example:I could speak fluent English by the time I was eight years old.

In my example, could is past.

In your example, it refers to permission.