| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv] [prep] [det] | 658 |
|
| 2 | what [be] [v-ing] [adv] [prep] | 459 |
|
| 3 | what [be] [v-ing] [prep] [det] | 79 |
|
| 4 | what [be] [adv] [prep] [det] | 15 |
|
