在《PONS词典》中的词汇
call upon 动词 不及物动词
1. call upon (appeal to):
| I | call upon |
|---|---|
| you | call upon |
| he/she/it | calls upon |
| we | call upon |
| you | call upon |
| they | call upon |
| I | called upon |
|---|---|
| you | called upon |
| he/she/it | called upon |
| we | called upon |
| you | called upon |
| they | called upon |
| I | have | called upon |
|---|---|---|
| you | have | called upon |
| he/she/it | has | called upon |
| we | have | called upon |
| you | have | called upon |
| they | have | called upon |
| I | had | called upon |
|---|---|---|
| you | had | called upon |
| he/she/it | had | called upon |
| we | had | called upon |
| you | had | called upon |
| they | had | called upon |