| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [to-vb] [conj] [art] | 764 |
|
| 2 | be [v-ing] [verb] [conj] [art] | 127 |
|
| 3 | [be] [v-ing] [to-vb] [conj] [art] | 123 |
|
