| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] [v-ing] | 16927 |
|
| 2 | be [v-ing] to | 14228 |
|
| 3 | [not/n't] [v-ing] to | 1634 |
|
| 4 | be [not/n't] to | 1365 |
|
