| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [det] be [v-ing] | 139 |
|
| 2 | [det] be n't [v-ing] | 97 |
|
| 3 | [vb base] [det] be n't | 53 |
|
| 4 | [vb base] be n't [v-ing] | 6 |
|
