| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pron] [is] [verb] | 3189 |
|
| 2 | [pron] [pron] [be] doing | 2677 |
|
| 3 | [pron] [pron] [is] [v-ing] | 1546 |
|
| 4 | [pron] [pron] [is] do | 390 |
|
