(For the plurals of pronouns, see Lesson 124.)
* * * * *
LESSON 113.
NUMBER FORMS--CONTINUED.
Some nouns adopted from foreign languages still retain their original
plural forms. Some of these take the English plural also.
+Direction+.--_Learn to form the following plurals_:--
Analysis, analyses; antithesis, antitheses; appendix, appendices _or_
appendixes; automaton, automata _or_ automatons; axis, axes; bandit,
banditti _or_ bandits; basis, bases; beau, beaux _or_ beaus; cherub,
cherubim _or_ cherubs; crisis, crises; datum, data; ellipsis, ellipses;
erratum, errata; focus, foci: fungus, fungi _or_ funguses; genus, genera;
hypothesis, hypotheses; ignis fatuus, ignes fatui; madame, mesdames; magus,
magi; memorandum, memoranda _or_ memorandums; monsieur, messieurs; nebula,
nebulae; oasis, oases; parenthesis, parentheses; phenomenon, phenomena;
radius, radii _or_ radiuses; seraph, seraphim _or_ seraphs; stratum,
strata; synopsis, synopses; terminus, termini; vertebra, vertebrae; vortex,
vortices _or_ vortexes.
The following compound nouns, in which the principal word stands first,
vary the first word; as, _sons_-in-law.
+Direction+.--_Form the plural of the following words_:--
Aid-de-camp, attorney-at-law, billet-doux, [Footnote: Plural, billets-doux,
pronounced _bil'-la:-doo:z_ ] commander-in-chief, court-martial,
cousin-german, father-in-law, hanger-on, man-of-war.
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