| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not in [det] [noun sg] | 388 |
|
| 2 | engage in [det] [noun sg] | 88 |
|
| 3 | not engage in [det] | 15 |
|
| 4 | not engage in [noun sg] | 14 |
|
