| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] doing at the time | 7 |
|
| 2 | [pron] [be] doing at the time | 7 |
|
| 3 | [pron] be doing at the time | 7 |
|
| 4 | [pers pn] [be] doing at the time | 7 |
|
