| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at [art] time | 97 |
|
| 2 | be not [v-ing] at [art] | 57 |
|
| 3 | be not at [art] time | 8 |
|
| 4 | not [v-ing] at [art] time | 7 |
|
| 5 | be not [v-ing] [art] time | 5 |
|
