| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [subord] [pron] be [v-ing] | 2070 |
|
| 2 | [conj] [pron] be [v-ing] to | 1984 |
|
| 3 | [subord] [pron] be [v-ing] to | 987 |
|
| 4 | [conj] [subord] [pron] be to | 78 |
|
