Vivir is a regular verb in every single tense. In fact, it is often used to demonstrate what a properly-conjugated verb looks like.
No. Estudiar is a regular verb in Spanish. When conjugating this verb it follows all the rules for -ar verbs.
"Have" is an irregular verb in English.
It's irregular.
No, "dar" is a regular verb in Spanish. Its conjugation follows the same pattern as other regular -ar verbs.
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. Estudiar is a regular verb in Spanish. When conjugating this verb it follows all the rules for -ar verbs.
"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.
Ate is an irregular verb.
It's an irregular verb.
vive
irregular