| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] a | 2234 |
|
| 2 | [verb] been [v-ing] a | 915 |
|
| 3 | [verb] been keeping [art] | 30 |
|
| 4 | [verb] [be] keeping a | 23 |
|
| 5 | [verb] been keep a | 23 |
|
| 6 | [verb] be keeping a | 23 |
|
| 7 | [verb] [been] keeping a | 22 |
|
