| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [pron] [verb] | 411 |
|
| 2 | [is] [v-ing] [pron] do | 53 |
|
| 3 | [be] [v-ing] [pron] did | 36 |
|
| 4 | [is] [v-ing] [pron] [vb past] | 23 |
|
| 5 | [is] [verb] [pron] did | 7 |
|
