| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adj] than a month | 24 |
|
| 2 | for [det] [subord] a month | 22 |
|
| 3 | for more [subord] a month | 15 |
|
| 4 | for more [subord] a month | 15 |
|
| 5 | for less [subord] a month | 7 |
|
| 6 | for less [subord] a month | 7 |
|
