| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has been [verb] [prep] a | 1156 |
|
| 2 | [noun pl] [verb] been [verb] [prep] a | 698 |
|
| 3 | [noun pl] have been [verb] [prep] a | 698 |
|
| 4 | [noun pl] has been [verb] [prep] [art] | 329 |
|
| 5 | [noun pl] has been [verb] [prep] [art] | 329 |
|
| 6 | [noun pl] has been [verb] [prep] a | 125 |
|
| 7 | [noun pl] has [be] [verb] [prep] a | 105 |
|
| 8 | [noun pl] has [been] [verb] [prep] a | 105 |
|
| 9 | [noun pl] has be [verb] [prep] a | 105 |
|
| 10 | [noun pl] [vb -s] been [verb] [prep] a | 105 |
|
