They work hard in spring. (Complex) (Change the sentence)

The bee is one of the busiest insects. (Positive) = Very few insects are as busy as the bee. 

It lives together. (Negative) = It doesn't live alone. 

Bees collect nectar from the flowers and make honey. (Simple) = Collecting nectar from the flowers, bees make honey. 

They dance most vigorously to find the nectar plentiful. (Exclamatory) = How vigorously they dance to find the nectar plentiful! 

Honey is stored in the hive by bees. (Active voice) = Bees store honey in the hive. 

No insect is as industrious as the bee. (Comparative) = The bee is more industrious than any other insect.