Putonghua Tone 1 generally corresponds to Cantonese Tone 1.

tones2

Examples

Hanyu Pinyin characters Jyutping English
yīshēng 醫生 ji1 • sang1 doctor
kāixīn 開心 hoi1 • sam1 happy
gōngsī 公司 gung1 • si1 company
cāntīng 餐廳 caan1 • teng1 restaurant

*For detailed comparison, click Here.