| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] for [art] | 396 |
|
| 2 | [verb] be [v-ing] for [art] | 396 |
|
| 3 | [verb] be [v-ing] for a | 219 |
|
| 4 | [verb] be [v-ing] [prep] an | 76 |
|
| 5 | [verb] be [v-ing] [prep] an | 76 |
|
| 6 | [verb] be [verb] for an | 72 |
|
| 7 | [verb] be [v-ing] for an | 32 |
|
| 8 | [verb] [be] [v-ing] for an | 32 |
|
