| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [adj] | 345 |
|
| 2 | may be [v-ing] [prep] | 305 |
|
| 3 | may be [prep] [adj] | 156 |
|
| 4 | may be [v-ing] [adj] | 51 |
|
