Answer:
Modal auxiliary
Explanation:
There are several auxliiary verbs (the ones that help to form a tense or an expression), and some of them are modal auxialiaries (may, must, will, etc). Can is one of the auxiliary verbs used for permission , possibility, ability, etc. In the sentence "We can't go against the law, Doroty.", can't is a word that <em>expresses the idea of not having permission, not being allowed.</em>
A proper noun is just a specific noun and starts with a capital letter. Some suggestions: Honda Civic. McDonald's. (Your name). Texas. Grand Theft Auto. The Hunger Games. (Your teacher). Time Magazine. Red. Despicable Me. I hope this helps :)
Scanning means that the reader is looking threw the words.