| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] for [v-ing] a | 46 |
|
| 2 | may [be] [vb pp] for a | 44 |
|
| 3 | may [be] [vb pp] for [v-ing] | 37 |
|
| 4 | may [be] [vb pp] [v-ing] a | 9 |
|
