French Imperative - L'Imperatif
https://www.frenchlearner.com/verbs/imperativel’imperatif. The imperative is used for making commands or suggestions. It’s formed with the present tense of the tu, nous and vous form of each verb with the subject pronoun getting omitted. For regular ER verbs, IR verbs that are conjugated like ER verbs (ouvrir, couvrir etc) as well as the verb aller the -s is omitted in the tu form.
L’impératif: the imperative in French
https://francais.lingolia.com/en/grammar/verbs/imperatifHow to conjugate l’impératif in French 2nd person singular (tu). We conjugate the imperative in the 2 nd person singular using the present-tense form of the 1 st person singular. We do not include the subject pronoun (tu).. This means that regular-er verbs end with -e, while all other verbs end with -s. For irregular present-tense forms, see the list of irregular verbs.