Questions & Answers about Esta planta está no jardim.
They look very similar, but they do completely different jobs:
- esta = this
It is a demonstrative adjective and goes with a feminine singular noun. - está = is
It is the 3rd person singular form of the verb estar.
So in Esta planta está no jardim:
- esta planta = this plant
- está = is
A very important difference is the accent:
- esta → no accent
- está → accent on the final a
That accent helps show it is the verb form.
Because planta is a feminine noun in Portuguese.
Demonstratives must agree with the noun in gender and number:
- este = this, masculine singular
- esta = this, feminine singular
- estes = these, masculine plural
- estas = these, feminine plural
Since planta is feminine singular, you use esta:
- esta planta = this plant
If the noun were masculine, you would use este:
- este jardim = this garden