1. Rewrite the sentences in the negative and the interrogative forms.
1. Our house has proper ventilation.
2. The magic show will be over in an hour.
3. These spices have a pleasant aroma.
4. We will have finished the work by noon.
5. The building has solar heating.
6. They have kept the gifts ready.
Answers
Answer:
1) Sentence::- Our house has proper ventilation.
Negative ::- Our house has not proper ventilation.
Interrogative. ::- Has our house proper ventilation!
2) Sentence::- The magic show will be over in an hour.
Negative ::- The magic show will not be over in an hour.
Interrogative. ::- Will the magic show be over in an hour?
3) Sentence::- These spices have a pleasant aroma .
Negative ::- These spices have not a pleasant aroma.
Interrogative::- Have these spices a pleasant aroma?
4) Sentence:- We will have finished the work by noon.
Negative ::- We will not finished the work by noon.
Interrogative::- will we finished the work by noon?
5) Sentence::- The building has solar heating.
Negative ::- The building has not solar heating.
Interrogative::- Has the building solar heating?
6) Sentence::- They have kept the gifts ready.
Negative ;:- They have not kept the gifts ready.
Interrogative:::- Have they kept the gifts ready?
Explanation:
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Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. Wikipedia