given shear diagram

Problem 451
Shear diagram as shown in Fig. P-451.
 

Problem 450
Shear diagram as shown in Fig. P-450.
 

Problem 449
Shear diagram as shown in Fig. P-449.
 

Problem 448
Shear diagram as shown in Fig. P-448.
 

Problem 447
Shear diagram as shown in Fig. P-447.
 

Instruction:
In the following problems, draw moment and load diagrams corresponding to the given shear diagrams. Specify values at all change of load positions and at all points of zero shear.