Common frogs can be seen in the spring when they return to the water to lay eggs.
(Common frogs; can be seen; L:in the spring; T:when they return to the water to lay eggs) (they; return; to the water; to lay eggs) (they; to lay; eggs)
Common frogs they they
can be seen return to lay
L:in the spring T:when they return to the water to lay eggs
to the water to lay eggs
eggs