Analyze the statements below: I. In “new machinery that can...

I. In “new machinery that can convert more than 20 kilos of nylon fishing nets an hour” (l. 12-13), “can” suggests ability.
II. In “It can be used for just about anything” (l. 19-20), “can” suggests permission.
III. In “Falconer could make a nice living” (l. 24), “make” is in its base form because it follows a modal verb.
Which ones are correct?