| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [be] [v-ing] [prep] [adj] years | 48 |
|
| 2 | [vb past] [be] [v-ing] [prep] [det] years | 20 |
|
| 3 | [vb past] [be] [verb] [prep] many years | 18 |
|
| 4 | [verb] [be] [v-ing] [prep] many years | 13 |
|
| 5 | [vb past] [be] [v-ing] [prep] many [noun] | 9 |
|
| 6 | [vb past] [be] [v-ing] [prep] many [noun pl] | 9 |
|
| 7 | [vb past] [be] [v-ing] [prep] many years | 7 |
|
| 8 | [vb past] [be] [v-ing] [prep] many year | 7 |
|
