Question

True or False?

1. An Inflection is a special type of affix that changes the grammatical function of a word.
2. Adding -ing to a verb changes it to a special form called a participle.
3. The endings -er and -est, meaning more and most, are used to form the comparative and superlative degrees in adjactives.
4. A morpheme can be a word, an affix, or combining form.
5. Comparative and superlative are degrees in adjectives.

If someone can kindly help me with those!