| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [pron] for a | 76 |
|
| 2 | [prep] be [v-ing] for a | 44 |
|
| 3 | [prep] [v-ing] [pron] for a | 37 |
|
| 4 | [prep] be [v-ing] [pron] for | 16 |
|
| 5 | [prep] be [v-ing] [pron] a | 14 |
|
