| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] to be | 2302 |
|
| 2 | this [is] [v-ing] to | 127 |
|
| 3 | this [is] to be | 123 |
|
| 4 | this [v-ing] to be | 18 |
|
