| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it took [pron] [adj] hours [to-vb] | 10 |
|
| 2 | it took [pers pn] [adj] hours [to-vb] | 7 |
|
| 3 | it took [noun] [adj] hours [to-vb] | 5 |
|
