| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [verb] [prep] many years | 33 |
|
| 2 | [vb -s] [been] [vb pp] [prep] many years | 30 |
|
| 3 | [vb -s] [been] used [prep] many [noun] | 11 |
|
| 4 | [verb] [been] used [prep] many years | 11 |
|
| 5 | [vb -s] [been] used [prep] many [noun pl] | 10 |
|
| 6 | [vb -s] [been] used [prep] [adj] years | 8 |
|
| 7 | [vb -s] [been] use [prep] many years | 7 |
|
| 8 | [vb -s] [be] used [prep] many years | 7 |
|
| 9 | [vb -s] [been] used [prep] many year | 7 |
|
| 10 | [vb -s] [been] used [prep] many years | 7 |
|
