| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they be [v-ing] to | 640 |
|
| 2 | [vb past] they be [v-ing] | 396 |
|
| 3 | [vb past] be [v-ing] to | 169 |
|
| 4 | [vb past] they [v-ing] to | 9 |
|
