| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to | 14228 |
|
| 2 | be [v-ing] [noun sg] | 9839 |
|
| 3 | [v-ing] to [noun sg] | 6036 |
|
| 4 | be to [noun sg] | 669 |
|
