| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] for [adj] hour | 51 |
|
| 2 | [verb] [adv prt] for several [noun] | 41 |
|
| 3 | [verb] [adv] for several hour | 19 |
|
| 4 | [verb] [adv prt] [prep] several hour | 11 |
|
| 5 | [verb] [adv prt] for several hour | 11 |
|
| 6 | [verb] [adv prt] [prep] several hour | 11 |
|
