| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they be [v-ing] [prep] | 4180 |
|
| 2 | be not [v-ing] [prep] | 4057 |
|
| 3 | they be not [v-ing] | 1191 |
|
| 4 | they be not [prep] | 470 |
|
