| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [det] [det] than a year | 5 |
|
| 2 | [not/n't] much [det] than a year | 5 |
|
| 3 | [not/n't] [det] more than a year | 5 |
|
| 4 | [not/n't] [det] [det] than a year | 5 |
|
