| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] [verb] [prep] [det] | 1225 |
|
| 2 | be [adv] know [prep] [det] | 52 |
|
| 3 | be [not/n't] know [prep] [adj] | 28 |
|
| 4 | [be] [not/n't] know [prep] [det] | 14 |
|
