| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [am/are] [v-ing] | 17069 |
|
| 2 | [Wh det] [noun] [am/are] | 3582 |
|
| 3 | [Wh det] [am/are] [v-ing] | 380 |
|
| 4 | [Wh det] [noun] [v-ing] | 120 |
|
