scientists developed several theories about electricity
a) past perfect
b) simple present
c)present perfect
d) simple past
Answers
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c)present perfect
is the correct answer
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0
Answer:
Simple past
Explanation:
Simple Past Tense Structure is as follow-
Subject+ past form of the verb+ object
Examples-
- They achieved their targets.
- She involved in criminal activities.
- They painted beautiful pictures.
- Ram planned for his trip.
- They completed their homework.
- We distributed sweets among the poor children.
- She worked hard to achieve her dreams.
- I collected my notebooks from the respective subject teachers.
Simple past tense is one of the types of indefinite tense.
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