| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [to] [vb infin] | 6404 |
|
| 2 | [be] [v-ing] [to] [vb infin] | 6404 |
|
| 3 | [is] [v-ing] [to] [vb infin] | 1500 |
|
| 4 | 's [v-ing] [to] [verb] | 1363 |
|
| 5 | 's [verb] [to] [vb infin] | 1360 |
|
| 6 | 's [v-ing] [prep] [vb infin] | 1359 |
|
