I've been to Mexico and both question 1 and 4 sounds about right. but I would go more with Number 4.
Yo siempre digo la verdad.
You can use any form of the verb, but it has to be indicative. I have used the <u>present form</u> (the most used in these cases) of the verb "decir" (say).
<h3><em><u>MissSpanish</u></em></h3>
The camera works I will serve you a plate of pasta with .isabel brought us the salt and pepper to the table.Javier ales for oil and vinegar at night. The owner finds us a table for six people.You mom finds me some delicious grapes I recommend this restaurant Lola y paco.
Señor Alonso, usted va de compras con su esposa cada día?