| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [is] [prep] | 155 |
|
| 2 | [v-ing] [adv] [be] [prep] | 65 |
|
| 3 | [v-ing] [adv] [is] [prep] | 24 |
|
