Metamorphic rocks sometimes contain fossils if they were formed from a sedimentary rock, but the fossils are usually squashed out of shape.
(Metamorphic rocks; contain; fossils; T:sometimes) (they; were formed; from a sedimentary rock) (the fossils; are squashed; T:usually)
Metamorphic rocks they the fossils
contain were formed are squashed
fossils T:sometimes
from a sedimentary rock
T:usually