| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] [verb] for | 290 |
|
| 2 | [vb mod] have [been] [vb pp] for | 235 |
|
| 3 | [vb mod] have [been] used [prep] | 76 |
|
| 4 | [vb mod] have [been] used [prep] | 76 |
|
| 5 | [vb mod] have [been] use for | 15 |
|
| 6 | [vb mod] [verb] [been] used for | 15 |
|
| 7 | [vb mod] have [been] used for | 15 |
|
| 8 | [modal v] have [been] used for | 15 |
|
| 9 | [vb mod] have [be] used for | 15 |
|
