| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [be] [verb] for many years | 27 |
|
| 2 | has [be] [vb pp] for many years | 24 |
|
| 3 | [verb] [be] used for many years | 11 |
|
| 4 | have [be] used for many years | 11 |
|
| 5 | has [be] used for many [noun] | 8 |
|
| 6 | has [be] used for many [noun pl] | 8 |
|
| 7 | has [be] use for many years | 7 |
|
| 8 | has [be] used for many year | 7 |
|
| 9 | has [be] used [prep] many years | 7 |
|
| 10 | has [be] used for [adj] years | 7 |
|
| 11 | has [be] used for many years | 7 |
|
| 12 | has [be] used [prep] many years | 7 |
|
| 13 | [vb -s] [be] used for many years | 7 |
|
