| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] to be [verb] | 8538 |
|
| 2 | [vb past] to be [v-ing] | 1684 |
|
| 3 | [verb] to be working | 156 |
|
| 4 | [vb past] to be work | 46 |
|
| 5 | [vb past] to be working | 20 |
|
| 6 | [vb past] [prep] be working | 20 |
|
| 7 | [vb past] to [be] working | 20 |
|
| 8 | [vb past] [prep] be working | 20 |
|
