| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adj] at the time [prep] | 12 |
|
| 2 | [not/n't] [adj] at [art] time of | 12 |
|
| 3 | not [adj] at [art] time [prep] | 12 |
|
| 4 | [not/n't] [adj] at [art] time [prep] | 12 |
|
| 5 | [not/n't] available at [art] time [prep] | 5 |
|
| 6 | [not/n't] available at [art] time [prep] | 5 |
|
