| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [v-ing] [art] | 991 |
|
| 2 | to be [v-ing] [pron] | 777 |
|
| 3 | be [v-ing] [pron] [art] | 120 |
|
| 4 | to [v-ing] [pron] [art] | 40 |
|
| 5 | to be [pron] [art] | 26 |
|
