| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] for the [adj] | 78 |
|
| 2 | [pron] account for the [adj] | 27 |
|
| 3 | which account for [art] [adj] | 19 |
|
| 4 | which account [prep] the [adj] | 14 |
|
| 5 | which account [prep] the [adj] | 14 |
|
| 6 | which account for the [adj] | 14 |
|
