| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [v-ing] | 34956 |
|
| 2 | be [adv] [conj] | 11808 |
|
| 3 | be [v-ing] [conj] | 8928 |
|
| 4 | [adv] [v-ing] [conj] | 3717 |
|
