Plurals

Form plurals of the following by adding s alone.

the early 1920s (the early ’20s) several
YMCAs
in twos and threes

Form plurals of the following by adding ’s.

M.A.’s and Ph.D.’s
SOS’s
S’s, A’s, and I’s
x’s and y’s
the three R’s
Colby College on Twitter Colby College on Facebook Colby College on YouTube Colby College on Vimeo Colby College RSS Feed Search Previous Next