在《PONS词典》中的词汇
fall behind 动词 不及物动词
1. fall behind (slow):
2. fall behind:
3. fall behind (achieve late):
| I | fall behind | |
|---|---|---|
| you | fall behind | |
| he/she/it | falls behind | |
| we | fall behind | |
| you | fall behind | |
| they | fall behind |
| I | fell behind | |
|---|---|---|
| you | fell behind | |
| he/she/it | fell behind | |
| we | fell behind | |
| you | fell behind | |
| they | fell behind |
| I | have | fallen behind | |
|---|---|---|---|
| you | have | fallen behind | |
| he/she/it | has | fallen behind | |
| we | have | fallen behind | |
| you | have | fallen behind | |
| they | have | fallen behind |
| I | had | fallen behind | |
|---|---|---|---|
| you | had | fallen behind | |
| he/she/it | had | fallen behind | |
| we | had | fallen behind | |
| you | had | fallen behind | |
| they | had | fallen behind |