| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [is] | 919 |
|
| 2 | [be] doing [is] | 286 |
|
| 3 | [be] do [is] | 75 |
|
| 4 | [be] [v-ing] [is] | 74 |
|
| 5 | [be] doing [be] | 37 |
|
