| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] [prep] [v-ing] a | 266 |
|
| 2 | [modal v] be [vb pp] [prep] [v-ing] a | 266 |
|
| 3 | may be [vb pp] [prep] [v-ing] [art] | 109 |
|
| 4 | may be [vb pp] [prep] [v-ing] [art] | 109 |
|
| 5 | may be [vb pp] [prep] [v-ing] a | 39 |
|
| 6 | may be [vb pp] [prep] [verb] a | 37 |
|
| 7 | may be [verb] [prep] [v-ing] a | 35 |
|
| 8 | may be [vb pp] [prep] [v-ing] a | 35 |
|
| 9 | may be [vb pp] [prep] [v-ing] a | 35 |
|
| 10 | may be [vb pp] [prep] [v-ing] a | 35 |
|
| 11 | may [be] [vb pp] [prep] [v-ing] a | 35 |
|
| 12 | may [be] [vb pp] [prep] [v-ing] a | 35 |
|
