| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] for [adv] [adj] | 50 |
|
| 2 | [pron] account for [adv] [adj] | 48 |
|
| 3 | which account for [adv] [adj] | 28 |
|
| 4 | which account [prep] [adv] [adj] | 27 |
|
| 5 | which account for [adv] [adj] | 27 |
|
| 6 | which account [prep] [adv] [adj] | 27 |
|
