| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it took [prep] [adj] month | 6 |
|
| 2 | it took [prep] [num] month | 6 |
|
| 3 | it took about [adj] month | 5 |
|
| 4 | it took about [adj] month | 5 |
|
| 5 | it took [prep] [adj] months | 5 |
|
