How to Say "reviewing" in Spanish
The Spanish word for “reviewing” is “revisando” — A2 level. This is a very common word in everyday Spanish.

Examples
Ahora mismo, el jefe está revisando todos los contratos.
Right now, the boss is checking all the contracts.
Pasé toda la mañana revisando las notas para el examen.
I spent the whole morning reviewing the notes for the test.
Aunque el libro ya está publicado, el autor sigue revisando la traducción.
Even though the book is already published, the author keeps revising the translation.
Forming Continuous Actions
This form ('-ando') is used with the verb 'estar' to talk about actions happening right now: 'Estoy revisando' (I am checking).
The Gerund Ending
Since the base verb 'revisar' ends in -ar, its continuous form ends in -ando. Verbs ending in -er and -ir use '-iendo'.
Using the Gerund Alone
Mistake: “Yo revisando el correo.”
Correction: Yo estoy revisando el correo. (You must include 'estar' or another verb to show who is doing the action and when.)
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