| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [v-ing] [adv] | 515 |
|
| 2 | [is] [adv] [v-ing] to | 460 |
|
| 3 | [adv] [v-ing] [adv] to | 296 |
|
| 4 | [is] [v-ing] [adv] to | 155 |
|
| 5 | [is] [adv] [adv] to | 128 |
|
