| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] [verb] for | 290 |
|
| 2 | was [verb] [to-vb] for | 248 |
|
| 3 | [be] [verb] to account for | 94 |
|
| 4 | be [verb] to account for | 94 |
|
| 5 | [was/were] [verb] to account for | 16 |
|
| 6 | was [verb] to account [prep] | 13 |
|
| 7 | was [verb] account for | 9 |
|
