When beavers are two years old, they leave home., Whenever beavers are in danger, they use their tails. , When beavers build homes, they build two rooms. , When beavers cut down trees, they use thier teeth. , While the sun is up, beavers sleep., When they are hungry, they eat sticks. , Whenever ponds are froze, beavers still use their homes. ,

Complex sentences when, whenever, while

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