A regular verb forms its past tense by adding -d or -ed. The past participle of a regular verb is the same as the past tense. eg
listen / listened hate / hated wrap / wrapped
An irregular verb forms its past tense by - changing its spelling or sometimes the same word or sometimes a completely new word. eg
run / ran, write / wrote, feel / felt, cut / cut
The past participle is different from the past tense.
"Have" is an irregular verb in English.
It's irregular.
Shown is an irregular verb because shown is different to ending in -ed. Does shown end in -ed? No it doesn't end in -ed so which makes it an irregular verb.
No, "appeler" is a regular -er verb in French. It conjugates according to regular -er verb patterns.
"Fly" is an irregular verb. Its past tense is "flew" and its past participle is "flown."
"Have" is an irregular verb in English.
It's irregular.
regular or irregular
It's an irregular verb.
It's an irregular verb.
To swim is an irregular verb.
It's an irregular verb.
It's an irregular verb.
Ate is an irregular verb.
irregular
irregular
By is not a verb, so it is neither regular nor irregular.