| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [art] | 8473 |
|
| 2 | [be] [v-ing] [art] | 3777 |
|
| 3 | [be] having [art] | 1412 |
|
| 4 | [be] have [art] | 144 |
|
