| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [verb] [prep] a | 698 |
|
| 2 | [noun pl] have been [vb pp] [prep] a | 659 |
|
| 3 | [noun] have been used [prep] a | 56 |
|
| 4 | [noun pl] have been used [prep] [art] | 49 |
|
| 5 | [noun pl] have been used [prep] [art] | 49 |
|
| 6 | [noun pl] have been used [prep] a | 17 |
|
| 7 | [noun pl] have been use [prep] a | 15 |
|
| 8 | [noun pl] have [been] used [prep] a | 14 |
|
| 9 | [noun pl] have be used [prep] a | 14 |
|
| 10 | [noun pl] have [be] used [prep] a | 14 |
|
| 11 | [noun pl] [verb] been used [prep] a | 14 |
|
