| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [v-ing] | 13272 |
|
| 2 | [is] [adv] for | 1362 |
|
| 3 | [adv] for [v-ing] | 1301 |
|
| 4 | [is] for [v-ing] | 134 |
|
