| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [verb] [pron] [art] | 27 |
|
| 2 | [prep] be [v-ing] [pron] [art] | 22 |
|
| 3 | to [be] [v-ing] [pron] [art] | 20 |
|
