1
I love my art class.
Sign 'I', 'love', 'my', then sign 'art' by using your dominant pinky to draw a squiggle down your open non-dominant hand, and finish with the sign for 'class'.
2
She makes beautiful art.
Point to the person to indicate 'she', sign 'make', 'beautiful', and then sign 'art' by using your pinky like a delicate brush painting down your non-dominant palm.
3
Do you like art?
Sign 'you', 'like', and then 'art' by wiggling your pinky down your open palm. Remember to raise your eyebrows at the end of the sentence since this is a yes/no question!