If tulip bulbs are planted " in the fall", they "could have been" expected " to bloom ' the following" spring.

If tulip bulbs are planted " in the fall", they "could have been" expected " to bloom ' the following" spring. Correct Answer could have been

"Could have been" expected " is wrong as the previous sentence started with 'if '. So, the correct will be "can/may have been".

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