| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] account for | 80 |
|
| 2 | [modal v] account for [det] | 58 |
|
| 3 | [pron] account for [det] | 46 |
|
| 4 | [pron] [modal v] for [det] | 25 |
|
