| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not taken a [noun sg] | 7 |
|
| 2 | [verb] not taken a [noun sg] | 7 |
|
| 3 | not taken a [noun sg] [prep] | 7 |
|
| 4 | not taken a [noun sg] [prep] | 7 |
|
