'fais tes devoirs' (imperative mood).
You can have 'un devoir' (a single task from a teacher: un devoir de français) but you usually say 'faire ses devoirs' (used in the plural)
The homework in French is "les devoirs" - I hope that solves it for you!
You can say "pas de devoirs" in French, which translates to "no homework."
I do my homework is "je fais mes devoirs" in French.
You can say 'Je dois faire mes devoirs' in French.
English : Too much homework French : Trop de devoirs
fais tes devoirs
je fais mes devoirs (usually plural, especially in that phrase)
"je ferai mes devoirs"
Faire mes devoirs.
Reussir tes devoirs
Je fais mes devoirs
You can say "J'ai oublié de faire mes devoirs" in French, which translates to "I forgot to do my homework."