Using prefixes correctly

1. Using Prefixes
Correctly

2. What is prefix?
Prefix is a letter or group of letters added
to the beginning of a root or base word
that changes the meaning of the root or
base word.

3. When to use the prefix?
un-
The prefix un means not, reverse action, deprive of, release from.
For example, unable or unfair.
mis-
The prefix mis means wrong.
For example, mistake or misunderstand.

4. dis-
The prefix dis also means not and opposite of.
For example, disconnect.
im-
The prefix im can also mean not and opposite of.
For example, impossible,
When to use the prefix?

5. pre-
The prefix pre- means before.
For example, precaution.
re-
The prefix re- means again.
For example, retell, redo.
When to use the prefix?

6. Other Examples
Prefix Word New Word New Meaning
im- proper improper not proper
un- just unjust not just
dis- obedient disobedient not obedient
mis- behave misbehave not behave
re- teach reteach teach again
pre- washed prewashed washed before