| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] | 7370 |
|
| 2 | [adv] [v-ing] to | 3550 |
|
| 3 | is [v-ing] to | 2168 |
|
| 4 | is [adv] to | 739 |
|
