| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [v-ing] to | 603 |
|
| 2 | [modal v] [be] [v-ing] [noun sg] | 579 |
|
| 3 | [be] [v-ing] to [noun sg] | 93 |
|
| 4 | [modal v] [be] to [noun sg] | 29 |
|
