| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been [verb] [prep] [det] | 146 |
|
| 2 | which have been [vb pp] [prep] [det] | 135 |
|
| 3 | which has been [verb] [prep] [det] | 68 |
|
| 4 | which had been [verb] [prep] [det] | 40 |
|
| 5 | which have been [verb] [prep] [det] | 38 |
|
| 6 | which have been [verb] in [det] | 34 |
|
| 7 | which have been [verb] [prep] this | 29 |
|
| 8 | which have been [verb] by [det] | 27 |
|
| 9 | which have been [verb] [prep] many | 26 |
|
| 10 | which have been [verb] [prep] some | 24 |
|
| 11 | which have been [verb] for [det] | 21 |
|
| 12 | which have been [verb] [prep] all | 17 |
|
| 13 | which have been [verb] to [det] | 17 |
|
| 14 | which have been [verb] [prep] several | 11 |
|
| 15 | which have been [v-ing] [prep] [det] | 11 |
|
| 16 | which have been [verb] with [det] | 11 |
|
| 17 | which have been [verb] [prep] such | 10 |
|
| 18 | which have been used [prep] [det] | 8 |
|
| 19 | which have been [verb] on [det] | 8 |
|
| 20 | which have been [verb] [prep] most | 8 |
|
| 21 | which have been use [prep] [det] | 8 |
|
| 22 | which have been developed [prep] [det] | 7 |
|
| 23 | which have been develop [prep] [det] | 7 |
|
| 24 | which have been [verb] over [det] | 7 |
|
| 25 | which have been [verb] [prep] another | 6 |
|
| 26 | which have been [verb] from [det] | 5 |
|
| 27 | which have been [verb] at [det] | 5 |
|
