How do you say I want in Thai?

In Thai, "I want" is expressed as "ฉันต้องการ" (chan tongkan) for females and "ผมต้องการ" (phom tongkan) for males. Alternatively, you can simply say "อยาก" (yak) followed by the item you want. For example, "ฉันอยากน้ำ" (chan yak nam) means "I want water."