| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [to-vb] [adv] [prep] | 812 |
|
| 2 | be [verb] [to-vb] [adv] to | 434 |
|
| 3 | be [v-ing] [verb] [adv] to | 175 |
|
| 4 | [be] [v-ing] [to-vb] [adv] to | 166 |
|
