Question

word families
write the base word for each word with the prefix in - or un-. then write the meaning of each prefixed word.

base word	prefixed word	meaning
2. sure	unsure
3. polluted	unpolluted
4. safe	unsafe
5. common	uncommon
6. affected	unaffected

Explanation:

The prefix "un -" often means not, and "in -" can also convey a negative or opposite sense. For "unsure", it means not sure; "unpolluted" means not polluted; "unsafe" means not safe; "uncommon" means not common; "unaffected" means not affected.

Answer:

1. not sure
2. not polluted
3. not safe
4. not common
5. not affected