| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be [verb] | 31573 |
|
| 2 | [vb base] be [v-ing] | 7085 |
|
| 3 | [verb] be doing | 848 |
|
| 4 | [vb base] be do | 570 |
|
| 5 | [vb base] [be] doing | 451 |
|
