conjugation rules and endings for the first group verbs.
However, although the terminations are perfectly regular, stem can be irregular and have numerous variations.
Pénétrer is conjugated the same way that verbs that end in :
-étrer. For sound purpose, verbs ending in
-é-consonne(s)-er except verbs in
-éer, ie verbs in:
-éber, -ébrer, -écer, -écher, -écrer, -éder, -éfler, -éger, -égner, -égrer, -éguer, -éjer, -éler, -émer, -éner, -éper, -équer, -érer, -éser, -éter, -étrer, -éver, et -évrer...
transform the
« é » in
« è » before silent endings.
Example:
« sécher » :
« il sèche »,
« nous séchons ». For sound purpose again, verbs ending in
-éger add the letter
« e » after the stem letter
« g » with endings in
« -a » or
« -o ».
Pénétrer verb is conjugated in negative form. The placement of the negative adverb follow the following rules:
- the adverb
« ne » is placed after the pronoun and before the verb.
- in simple tenses, the adverbs (
« ne ...pas »,
« ne...plus »,
« ne...jamais », etc...) surround the verb
pénétrer.
- in compound tenses or in ive voice, the negative adverbs surround the auxiliary.