| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] for [det] [prep] | 68 |
|
| 2 | [modal v] account for [adj] [prep] | 20 |
|
| 3 | [modal v] account for [det] [prep] | 16 |
|
| 4 | [modal v] account [prep] [det] [prep] | 16 |
|
| 5 | [modal v] account [prep] [det] [prep] | 16 |
|
