| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] is [adv] [v-ing] | 368 |
|
| 2 | [Wh det] is [v-ing] is | 38 |
|
| 3 | is [adv] [v-ing] is | 37 |
|
| 4 | [Wh det] is [adv] is | 12 |
|
