| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] a [noun sg] | 3431 |
|
| 2 | been [vb pp] [prep] a [noun sg] | 3085 |
|
| 3 | be used [prep] a [noun sg] | 1063 |
|
| 4 | [be] used [prep] a [noun sg] | 1063 |
|
| 5 | been used [prep] [art] [noun sg] | 248 |
|
| 6 | been used [prep] [art] [noun sg] | 248 |
|
| 7 | been used [prep] a [noun sg] | 130 |
|
| 8 | been used [prep] a [noun] | 122 |
|
| 9 | been use [prep] a [noun sg] | 115 |
|
| 10 | [been] used [prep] a [noun sg] | 114 |
|
