| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] to be | 289 |
|
| 2 | which is [adv] to be | 44 |
|
| 3 | which is [v-ing] to be | 36 |
|
| 4 | which is [adv] [v-ing] to | 16 |
|
