| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [verb] [num] months | 17 |
|
| 2 | have [verb] [num] month | 13 |
|
| 3 | [vb infin] [vb pp] [num] month | 8 |
|
| 4 | [vb infin] [to-vb] [num] month | 7 |
|
| 5 | [vb infin] [verb] three month | 5 |
|
