| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | certain [prep] be | 157 |
|
| 2 | certain to [be] | 148 |
|
| 3 | certain [prep] [be] | 147 |
|
| 4 | certain [prep] be | 147 |
|
| 5 | certain of [be] | 7 |
|
| 6 | certain [prep] [is] | 5 |
|
| 7 | certain [prep] is | 5 |
|
