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Sentence Correction: Conditionals - Conditional 1

Some consumers who wish to support sustainable agriculture will only buy produce if it is certified and labeled as 100% organic, while others believe formal regulation can be bypassed by building trust between producers and consumers.

Incorrect.

This answer choice is grammatically incorrect. The result part of the conditional will buy produce only is in the Future tense, indicating Conditional 1. The condition part of a Conditional 1 sentence should be in the Present Simple tense, but in this answer choice it is in the Past Simple tense (only if it was certified and labeled...).

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Well done!

This answer choice correctly uses the Present Tense in the condition part of the sentence (if it is certified and labeled as 100% organic) to match the result part which is in the Future (will only buy produce), indicating a Conditional 1 sentence.

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Incorrect.

This answer choice is grammatically incorrect. The result part of the conditional will buy produce only is in the Future tense, indicating Conditional 1. The condition part of a Conditional 1 sentence should be in the Present Simple tense, but in this answer choice it is in the Future Past tense (if it would be labeled...).

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Incorrect.

This answers choice changes the original meaning of the sentence: in the original sentence only modifies the verb buy, while in this answer choice it modifies the noun produce.

As a result, the original sentence (will only buy produce if...) states that consumers will only buy one kind of produce - the certified organic kind. However, this sentence (will buy only produce if..) states that consumers will buy nothing but produce.  

Incorrect.

This answer choice is grammatically incorrect. The result part of the conditional will buy produce only is in the Future tense, indicating Conditional 1. The condition part of a Conditional 1 sentence should be in the Present Simple tense, but in this answer choice it is in the Future Past tense (if it would only be labeled...).

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In addition, this answer choice creates an illogical sentence by changing the adjective organic into an adverb organically: organic can logically describe the noun produce, but the action certified cannot logically be described as being performed organically.

only buy produce if it is certified and labeled as 100% organic
buy produce only if it was certified and labeled as 100% organic
buy produce only if it would be labeled as 100% organic and certified
buy only produce if it is labeled as 100% organic and certified
buy produce if it would only be labeled as 100% organically certified