Bonjour !!
The verbs in -re are verbs from the 3rd group.
Verbs in -dre or in -tre
the endings in present tense always are something like
? / -s/ ? /-ons / -ez / -ent ...some have an -s at the 1st person, some have nothing at the 3rd person sing.....
For "regular " verbs you just drop the infinitive ending which is -re
je => -s
tu => -s
il/elle => t or d
nous => -ons
vous => -ez
ils/elles => ent
example
entendre
j'entend-s
tu entend-s
il/elle/on entend
nous entend-ons
vous entend-ez
ils/elles entend-ent
-
But for those verbs in -re, there are no real rules; they all are different
This is the most difficult verb group to learn
-
Some of keep the -d or -t and you add only at the singular form
prendre
je pren-ds
tu pren-ds
il/elle pren-d
nous pren-ons
vous pren-ez
ils/elles pren-nent
-
Mettre or paraître loose one -t at the singular form
je mets
tu mets
il/elle met
nous mettons
vous mettez
ils/elles mettent
-
je parai-s
tu parai-s
il/elle paraî-t
nous parai-ssons
vous parai-ssez
ils/elles parai-ssent
-
I could go on with verbs as "cuire" , "conduire" (cook, drive)
( je condui-s
tu condui-s
il/elle condui-t
nous condui-sons
vous condui-sez
ils/ elles condui-sent
OR
"écrire" (write)
j'écri-s
tu écri-s
il/elle écri-t
nous écri-vons
vous écri-vez
ils/elles écri-vent
-
So just be patient....
We (French people) always say that "it is the exception which confirm the rule" ... !!! In fact, French grammar is made of exceptions !!!!
Hope this helps ☺☺☺