| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] for a | 187 |
|
| 2 | it [verb] be [v-ing] for | 50 |
|
| 3 | it be [v-ing] for a | 21 |
|
| 4 | it [verb] be for a | 13 |
|
| 5 | it [verb] be [v-ing] a | 11 |
|
