| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] account for the [adj] | 52 |
|
| 2 | [modal v] account for the [adj] | 52 |
|
| 3 | may [verb] for the [adj] | 36 |
|
| 4 | may account for [art] [adj] | 26 |
|
| 5 | may account for the [adj] | 19 |
|
| 6 | may account for the [adj] | 19 |
|
| 7 | may account [prep] the [adj] | 19 |
|
| 8 | may account [prep] the [adj] | 19 |
|
