| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for [num] months | 537 |
|
| 2 | had [verb] for [num] | 150 |
|
| 3 | had [verb] [num] months | 58 |
|
| 4 | had [verb] for months | 7 |
|
