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Subject + Do not + Modal + Verb + Rest of Sentence
D. 
Subject + Modal + Do not + Verb + Rest of Sentence
Correct Answer A. Subject + Modal + Not + Verb + Rest of Sentence
Explanation Remember the rule is to add «not» after the modal verb. Except for «have to», modals NEVER take do/does/did
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2.
The rule for the negative form is: add «not» before the modal verb.
A. 
True
B. 
False
Correct Answer B. False
Explanation The negative rule is: add "not" AFTER the modal verb
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3.
Mrs. Tran _______________ (can, negative) speak French well.
Correct Answer cannot, can't
Explanation Remember «cannot» is one word.
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4.
Make this sentence negative: Lara must stay after school.
Correct Answer Lara must not stay after school., Lara mustn't stay after school.
Explanation The correct answer is "Lara must not stay after school., Lara mustn't stay after school." The original sentence "Lara must stay after school" is transformed into a negative form by adding "not" or "mustn't" before the verb "stay". This indicates that it is necessary for Lara to avoid staying after school.
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5.
Make this sentence negative: Marie Sophie should study more.
Correct Answer Marie Sophie should not study more., Marie Sophie shouldn't study more.
Explanation The correct answer is "Marie Sophie should not study more., Marie Sophie shouldn't study more." This sentence is negative because it uses the word "not" to indicate that Marie Sophie should not increase her studying. The use of "shouldn't" also conveys the same meaning in a more informal way.
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6.
Make this sentence negative: Florence may eat the cake.
Correct Answer Florence may not eat the cake.
Explanation «may not» does not have a contracted form. Therefore, you CANNOT put «mayn't»
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7.
Make this sentence negative: Camelia might like the present.
Correct Answer Camelia might not like the present.
Explanation «might» does not have a contracted form. Therefore, you cannot write «mightn't»
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8.
Make this sentence negative: Téa has to bring her lunch.
Correct Answer Téa doesn't have to bring her lunch., Téa does not have to bring her lunch.
Explanation «have to» in the negative form takes do/does/did. Also, you need to put the modal in its base form.
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9.
Make this sentence negative: I would do it if I were you.
Correct Answer I would not do it if I were you., I wouldn't do it if I were you.
Explanation The correct answer is "I would not do it if I were you., I wouldn't do it if I were you." The original sentence expresses a conditional statement where the speaker is advising against doing something. By making the sentence negative, the speaker emphasizes their recommendation to avoid the action. Both "I would not do it" and "I wouldn't do it" convey the same meaning, indicating the speaker's strong suggestion to refrain from the mentioned action.
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10.
Make this sentence negative: They have to take the bus.
Correct Answer They do not have to take the bus., They don't have to take the bus.
Explanation For «have to», you need to add do/does/did in front of the modal and put the modal in its base form.