| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [am/are] [v-ing] be | 910 |
|
| 2 | [Wh pn] [am/are] [verb] be | 21 |
|
| 3 | [Wh pn] [be] [v-ing] be | 21 |
|
| 4 | [Wh pn] [am/are] [v-ing] [be] | 9 |
|
