Negative
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1)
He anyone about his plans before making the announcement. (to tell)
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2)
Before the breakthrough, researchers this aspect of the disease. (to investigate)
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3)
Before the law was enacted, the city strict pollution controls. (to enforce)
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4)
The birdwatchers any rare species before they visited the new sanctuary. (to find)
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5)
They in the city for very long before they decided to move back to the countryside. (to work)
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6)
The workers for a long period before the negotiations resumed. (to strike)
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7)
She lessons before she started painting. (to take)
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8)
By the time the storm ended, they adequately for the flood. (to prepare)
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9)
The students actively in class before the new teacher arrived. (to participate)
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10)
Adrianne well before she went to the doctor. (to feel)
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11)
They well before the team-building activities. (to communicate)
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12)
They the tree house before the storm hit. (to build)
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13)
The children the school for a full term before they moved. (to attend)
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14)
The management the environmental impact before approving the project. ( to consider)
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15)
The company in that market before it launched the new product. (to operate)
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16)
The athletes enough rest before the marathon. (to get)
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17)
They the market changes before the financial crisis hit. (to anticipate)
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18)
The researchers the phenomenon consistently before the breakthrough. (to observe)
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19)
We there before they had a big sale. (to shop)
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20)
They well before they bought a new mattress. (to sleep)
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21)
The teachers creativity in their students before the new curriculum was introduced. (to encourage)
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22)
He before he started losing weight. (to diet)
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23)
The explorers beyond the camp before the weather improved. (to go)
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24)
The organization on community outreach before the new leadership took over. (to focus)
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25)
The scientists the volcano before it erupted unexpectedly. (to monitor)
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26)
We the event before we received the funding. (to plan)
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27)
Juan for long distances before his road trip. (to drive)
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28)
He regularly before he joined the writing workshop. (to write)
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29)
He to terms with the loss before he sought counseling. ( to come)
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30)
The cat for long before it woke up. (to sleep)
