| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] [v-ing] to [art] | 85 |
|
| 2 | 've [adv] [be] to [art] | 23 |
|
| 3 | 've [adv] [be] [v-ing] to | 22 |
|
| 4 | 've [be] [v-ing] to [art] | 18 |
|
| 5 | 've [adv] [be] [v-ing] [art] | 15 |
|
