| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] | 71140 |
|
| 2 | not [v-ing] [prep] | 3443 |
|
| 3 | not be [prep] | 1349 |
|
| 4 | not be [v-ing] | 1004 |
|
