| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for a | 1892 |
|
| 2 | [verb] be [v-ing] for | 1594 |
|
| 3 | [verb] be [v-ing] a | 981 |
|
| 4 | [verb] [v-ing] for a | 218 |
|
| 5 | [verb] be for a | 73 |
|
