| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [v-ing] [art] [adj] | 465 |
|
| 2 | [modal v] be [v-ing] at [art] | 185 |
|
| 3 | [modal v] be at [art] [adj] | 75 |
|
| 4 | be [v-ing] at [art] [adj] | 53 |
|
| 5 | [modal v] be [v-ing] at [adj] | 23 |
|
