1. Como esta usted.
2. Como estas
3.buenas tardes senora, como esta (Usted)
4. Que tal
5. Como has estado
There are many ways to say this, formally use Usted for "You"
Answer: Now let's practice building some sentences in which we use the "preterite" past form of the verb to express a one-time event at a particular point of time in the past. I bought a gift (un Regalo) for my friend. Yo compré un Regalo para mi amigo(a). ... Mary bought a gift for her friend.
Explanation: