| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [be] [v-ing] for [noun] | 93 |
|
| 2 | [verb] [be] [v-ing] for year | 79 |
|
| 3 | [vb past] [be] [verb] for year | 30 |
|
| 4 | [vb past] [be] [v-ing] [prep] year | 20 |
|
| 5 | [vb past] [be] [v-ing] [prep] year | 20 |
|
| 6 | [vb past] [be] [v-ing] for year | 19 |
|
