Prefixes
Give a word formed with the prefix dis- that means "not agree."
disagree
What does the prefix sub- mean? Give one example word and its meaning.
sub- means under/below; example: submarine — a vessel that travels under the sea
How do you form the plural of "watch"? Write the correct spelling.
watches
What does the prefix non- add to the meaning of a base word? Give an example.
non- means not; example: nonessential = not essential
Spell the plural of "box."
boxes
Which prefix (un-, in-, or dis-) would you use to make the word "comfortable" mean the opposite? Write the new word
uncomfortable
Form a word with non- that shows something does not make sense. Write the word and use it in a sentence
nonsense — "That word is nonsense, not a real word."
Add -ing to the multisyllabic verb "create." Write the word and use it in a short sentence.
creating — "She is creating a poster."
Break the word "incorrect" into prefix and base; then give its meaning.
in- + correct — means "the wrong way"
When adding -ed to a verb that ends in -e, do you add another -e? Give an example.
No; just add -d: hope → hoped
Add de- to the base word "activate." What is the new word and what does it mean?
Which prefix would you use to make "marine" mean under the sea? Write the new word and explain.
submarine — sub- + marine = under the sea
Change "carry" to past tense. Explain the spelling change and use the past form in a sentence.
carried — change y to i and add -ed; "He carried the books."
Identify the prefix and suffix in the word "untouched." Divide the word into parts and explain the meaning of each part.
un- + touch + -ed — un- (not) + touch (base) + -ed (in the past) = not touched in the past
Which form is correct: "running" or "runing"? Explain the rule used.
running is correct; double the final consonant when a one-syllable verb ends consonant-vowel-consonant (run → running).
What is the base word for incorrect?
correct
Create a multisyllabic word using sub- plus a two-syllable base. Write the word, divide it into syllables, and define it.
submarine — sub-ma-rine — a watercraft that travels under the sea
Give the plural form of "bus" and explain why you add -es instead of -s.
buses — add -es because the word ends in -s; -es makes pronunciation easier
For the word "subdivide," split it into prefix + base, give syllable division, and define the whole word.
sub- + divide — sub-div-ide — to make a smaller division
A student wrote "nonbeliever" as one word and another wrote "non-believer." Which is correct and why?
nonbeliever (no hyphen) - we do not add a hyphen with prefixes
Explain the difference in meaning between "undo" and "disagree." Use each in a sentence
undo = reverse an action; example: "Please undo the knot." / disagree = have a different opinion; example: "They disagree about the rules."
Compare non- and un- in meaning and use. Provide one example where non- is correct and one where un- is correct, with short explanations.
non- = not (nonfat = not fatty); un- = not/reverse (unhappy = not happy)
Take the verb "participate." Write its -ing and -ed forms. Then use each form in one sentence.
participating; participated — "She is participating in the game." / "She participated in the game yesterday."
Choose a word that uses both a prefix and a suffix. Write the word, mark syllable breaks, label prefix/base/suffix, and provide a student-friendly definition.
disbelieved — dis- + be-lieve + -ed — dis-be-lieved — did not believe
The base word "refer" doubles the final consonant when adding -ed. Explain when you double the consonant and write the -ed and -ing forms of "refer," with syllable division.
Double the final consonant when the pattern is consonant-vowel-consonant: refer → re-fer (stress on second syllable) → referred, referring — re-fer-red; re-fer-ring