| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] account for the [adj] | 51 |
|
| 2 | may account for the [adj] | 19 |
|
| 3 | may [adv] account for the | 16 |
|
| 4 | may [adv] account for [adj] | 8 |
|
