| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [be] [v-ing] for [num] [noun pl] | 54 |
|
| 2 | [vb past] [be] [v-ing] for [num] [noun] | 54 |
|
| 3 | [verb] [be] [v-ing] for [num] hours | 17 |
|
| 4 | [vb past] [be] [verb] for [num] hours | 14 |
|
| 5 | [vb past] [be] [v-ing] for [adj] hours | 12 |
|
| 6 | [vb past] [be] [v-ing] [prep] [num] hours | 10 |
|
| 7 | [vb past] [be] [v-ing] for [num] hour | 10 |
|
| 8 | [vb past] [be] [v-ing] for [num] hours | 10 |
|
| 9 | [vb past] [be] [v-ing] [prep] [num] hours | 10 |
|
