How many metrical feet are in each of these lines from "Stopping by the Woods on a Snowy Evening"?

Whose woods these are I think I know.

His house is in the village, though;

He will not see me stopping here

To watch his woods fill up with snow.

Two, three, four, or five?

There are four metrical feet in each of these lines from "Stopping by the Woods on a Snowy Evening"

Explanation:

"Stopping by the Woods on a Snowy Evening" follows the pattern of iambic tetrameter (which means that it has four metrical feet), the lines would follow the rhythm this way:

Whose woods these are I think I know.

His house is in the village, though;

He will not see me stopping here

To watch his woods fill up with snow.

It has a stressed syllable followed by an unstressed one making the 4 times in each line.