| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for many | 84 |
|
| 2 | have been [vb pp] for many | 67 |
|
| 3 | have been used for [adj] | 61 |
|
| 4 | have been used for [det] | 27 |
|
| 5 | have been used [prep] many | 22 |
|
| 6 | have been used [prep] many | 22 |
|
| 7 | have be used for many | 14 |
|
| 8 | have [been] used for many | 14 |
|
| 9 | [verb] been used for many | 14 |
|
| 10 | have [be] used for many | 14 |
|
| 11 | have been used for many | 14 |
|
| 12 | have been use for many | 14 |
|
| 13 | have been used for many | 14 |
|
