| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] be [v-ing] | 19186 |
|
| 2 | be [v-ing] to | 14228 |
|
| 3 | [noun prp] be to | 833 |
|
| 4 | [noun prp] [v-ing] to | 509 |
|
