196
2. The final consonant is doubled before the suffix
ed if it is
preceded by a vowel letter expressing
a short stressed vowel
sound: to stop — sto
pped.
3.
The final l is doubled if it is preceded by a vowel letter ex
pressing a short vowel sound: to travel — trave
lled.
4. The final
y is changed into
i before adding the suffix
ed if
it is preceded by a consonant letter: to try — tr
ied.
5.
The letter r is doubled if the final syllable is stressed:
pre fer — pre fe
rred,
but offer — offer
ed.
GRAMMAR EXERCISES
I. Study Substitution Tables No. 1, 2 and compose as many sen
tences as you can.
II. Spell and transcribe the four forms of the following verbs:
tell, go, come, walk, give, take, put, say, speak, hear, see,
read, write, finish, begin, make, show, enter, teach, study, find,
get, leave, stay, pay, eat, drink, prefer, ask, answer, pass, stop,
prepare, travel, examine, offer, plan, carry, occur, quarrel.
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