| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] n't [art] | 262 |
|
| 2 | [v-ing] [conj] it [be] [art] | 176 |
|
| 3 | [v-ing] [conj] it [be] n't | 21 |
|
