| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of which [is] [adv] | 155 |
|
| 2 | of [pron] [is] [not/n't] | 96 |
|
| 3 | of which [be] [not/n't] | 60 |
|
| 4 | [prep] which [is] [not/n't] | 21 |
|
