Answer:
The verb is in the past tense.
The subject is in the first person plural.
Explanation:
Because the sentence is indicating an action in the past which is to write, being narrated in a plural way in the first person, we could also translate it to "We wrote yesterday".
Tendremos
Hope this helps :P
C
╱╱┏╮╱╱╱╱╱╱╱╱╱╱
╱╱┃┃╱╱┳╱┓┳╭┛┳┓
▉━╯┗━╮┃╱┃┣┻╮┣╱
▉┈┈┈┈┃┻┛┛┻╱┗┗┛
▉╮┈┈┈┃▔▔▔▔▔▔▔▔
╱╰━━━╯
I don't see the question you might want to attach it.
goo ogle translate is your best friend for this one