Final answer:
Not all adverbs end in '-ly'.
Step-by-step explanation:
The statement 'All adverbs end in '-ly'' is false.
While many adverbs do end in '-ly', not all of them do. There are several types of adverbs that do not follow this pattern. Some examples include 'fast', 'well', 'hard', and 'often'.
Therefore, it is important to remember that not all adverbs end in '-ly'.
Learn more about Adverbs