| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] a [noun] | 37810 |
|
| 2 | doing a [noun] | 714 |
|
| 3 | [was/were] doing a | 174 |
|
| 4 | [was/were] doing [noun] | 153 |
|
