Faltar

Question 1

To lack (something)

Or

Something is missing

Answer 1

Faltar

Question 2

To lack or miss out on something specific, Faltar is conjugated like Gustar.

Answer 2

Me falta
Me faltan (if you lack more than one)
Te falta, Te faltan

Question 3

I lack two

I’m missing two

I need two more ( because they are missing)

I lack one, or I need one more

Answer 3

Me faltan dos.

Me falta uno.

Question 4

You need one more.

You need two more.

Answer 4

Te falta uno.

Te faltan dos

Question 5

In a restaurant if something is missing from your order, use “Falta or Faltan”, but no need to use indirect pronoun like with Gustar.

The pizza is missing.

The French fries are missing.

Answer 5

Falta la pizza.

Faltan las patatas (papas) fritas.