| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] for [num] hour | 18 |
|
| 2 | have [be] [v-ing] for [num] hour | 18 |
|
| 3 | 's [be] [v-ing] for [num] [noun] | 14 |
|
| 4 | 's [be] [v-ing] for [adj] hour | 7 |
|
| 5 | 's [be] [verb] for [num] hour | 7 |
|
| 6 | 's [be] [v-ing] [prep] [num] hour | 7 |
|
| 7 | [vb -s] [be] [v-ing] for [num] hour | 7 |
|
