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Help the stressed head chef complete the kitchen's new rule board by selecting the correct options.
The secret sauce _________________________ in the fridge at all times. Please remember that the fancy gold-rimmed plates _______________________________ in the dishwasher, or they will lose their sparkle!
The secret sauce must be kept in the fridge at all times. Please remember that the fancy gold-rimmed plates should not be washed in the dishwasher, or they will lose their sparkle!
To form the passive voice with a modal verb, use modal + be + past participle.
The sauce doesn't keep itself; it must be kept by someone.
The plates don't wash themselves; they should not be washed by someone.