1
I want to go; however, I am tired.
Start by signing "I want go" to establish your initial thought. Then, use the "however" sign by crossing and separating your index fingers to show the contrast, and finish the sentence by signing "I tired."
2
The food is good; however, it is expensive.
First, sign "food good" with a positive facial expression. Pause briefly and sign "however" by pulling your crossed index fingers apart to introduce the catch, then finish with "expensive."
3
I like dogs; however, I am allergic.
Begin by signing "I like dogs." Create a clear transition by using the "however" sign, moving your crossed index fingers apart horizontally, and then complete the thought by signing "I allergic."