verb·b1

klingeln

To ring (make a ringing sound; of a bell, doorbell, or phone)

Das Telefon klingelt.

Es hat an der Tür geklingelt.

infinitiveklingeln

to ring (infinitive)

present ichich klingele

I ring / I am ringing

present erer klingelt

he/it rings

perfekthat geklingelt

has rung (perfect)

prateritumklingelte

rang (simple past)

imperativKlingel!

Ring! (imperative, you)