| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] to [be] [v-ing] | 252 |
|
| 2 | [vb mod] [be] [v-ing] [be] | 50 |
|
| 3 | to [be] [v-ing] [be] | 46 |
|
| 4 | [vb mod] to [be] [be] | 9 |
|
