Question

20 verbos irregulares en inglés presente pasado y propicio

Answer 1

No es "propicio"; es participio.

Verb - Past simple - past participle
1) grow - grew - grown
2) draw - drew - drawn
3) go - went - gone
4) be - was/were - been
5) have - had - had
6) cost - cost - cost
7) cut - cut - cut
8) put - put - put
9) hurt - hurt - hurt
10) read - read - read
11) sing - sang - sung
12) drink - drank - drunk
13) sit - sat - sat
14) feel - felt - felt
15) sleep - slept - slept
16) keep - kept  - kept
17) learn - learnt - learnt
18) stand - stood - stood
19) understand - understood - understood
20) fly - flew - flown