1)to follow-followed-followed
to worry-worried-worried
to beat-beat-beaten
to make -made-made
to ride-rode-ridden
to climb -climbed-climbed
to live -lived-lived
to throw-threw-thrown
to speak-spoke-spoken
to build-built-built
2) 1.again 2. did 3.careful 4.road 5.accident
3)1.b.
2.b
3.a
4. d
5.b