1. Les verbes en ~er
The basic form of the verb is called the infinitive. Many French infinitives end in ~er.
Most of these verbs are conjugated like chanter and aimer.
Pay attention to the endings.

2. The present tense forms of er verbs consist of two parts:
STEM + ENDING
The STEM does not change. It is the infinitive minus er.
The ENDINGS change with the subject.

3. Le singulier The endings are silent.
The endings change with the subject:
je → e
tu → es
il/elle/on → e

4. chanter je chante tu chantes il chante elle chante on chante.
I sing ( I am singing, I do sing)
You sing ( you are singing, you do sing)
He/she/one sings (is singing, does sing)

5. aimer j’aime tu aimes il aime elle aime on aime I like (I do like)
You like (you do like)
He/she/one likes (does like)

6. Pratiquons! I am dancing. She is singing. You like to eat.
He likes to play tennis.
You are working at Starbucks.
Je danse.
Elle chante.
Tu aimes manger.
Il aime jouer au tennis.
Tu travailles à Starbucks.

7. Le pluriel in the present tense, the plural endings of er verbs are:
nous → ons
vous → ez
ils/elles → ent
The ent ending is silent

8. chanter nous chantons vous chantez ils/elles chantent
We sing (are singing, do sing)
You sing (are singing, do sing)
They sing (are singing, do sing)

9. aimer nous aimons vous aimez ils aiment elles aiment
We like (do like, are liking)
You like (do like, are liking)
They like (do like, are liking)