| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [det] be [v-ing] to | 35 |
|
| 2 | so [det] be [v-ing] [prep] | 28 |
|
| 3 | so [det] be [verb] to | 20 |
|
| 4 | so [adj] be [v-ing] to | 15 |
|
| 5 | so [det] [be] [v-ing] to | 14 |
|
