| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while i be doing | 25 |
|
| 2 | while i [was/were] doing | 13 |
|
| 3 | while i was doing | 13 |
|
| 4 | while i [am/are] doing | 12 |
|
| 5 | while i 'm doing | 11 |
|
