sequence of tenses

18 LETTERS · STARTS WITH S

sequence of tenses is a valid 18-letter word worth 30 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1Q10U1E1N1C3E1O1F4T1E1N1S1E1S1

1 + 1 + 10 + 1 + 1 + 1 + 3 + 1 + 0 + 1 + 4 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does sequence of tenses mean?