Draw an oval for the frog’s body
Add a smaller oval for the head at the front of the body
Sketch two circles for the eyes on top of the head
Draw two curved lines under the eyes for the eyelids
Add a curved mouth line below the eyes
Draw two front legs emerging from the lower front of the body
Sketch each front leg with a rounded shape and a slight bend at the “elbow”
Add five small toe bumps on each front foot
Draw two back legs extending from the lower back of the body
Sketch each back leg with a bent knee and a longer lower section
Add webbing by drawing thin lines between toes on each back foot
Refine the outline by smoothing all body and leg shapes
Add a simple belly line across the middle of the body
Add spots or stripes if desired
Erase any extra construction lines
Darken the final outlines
Add shading under the belly and along the legs with light hatching or soft shading