| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [pron] [Wh det] a | 5 |
|
| 2 | be [v-ing] [pron] [pron] a | 5 |
|
| 3 | [be] [v-ing] [pron] what a | 5 |
|
| 4 | [be] [v-ing] [pron] what a | 5 |
|
