continuous tense

NOUN
16 LETTERS · STARTS WITH C

continuous tense is a valid 16-letter word worth 17 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1N1T1I1N1U1O1U1S1T1E1N1S1E1
3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does continuous tense mean?