| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] has been [verb] [prep] a | 871 |
|
| 2 | [noun sg] has [been] [vb pp] [prep] a | 840 |
|
| 3 | [noun sg] has [been] [verb] by a | 176 |
|
| 4 | [noun sg] has [been] [verb] as a | 161 |
|
| 5 | [noun sg] has [been] [verb] in a | 125 |
|
| 6 | [noun sg] has [been] [verb] for a | 71 |
|
| 7 | [noun sg] has [been] [verb] to a | 68 |
|
| 8 | [noun sg] has [been] [verb] with a | 56 |
|
| 9 | [noun sg] has [been] [verb] on a | 49 |
|
| 10 | [noun sg] has [been] [verb] into a | 48 |
|
| 11 | [noun sg] has [been] use [prep] a | 31 |
|
| 12 | [noun sg] has [been] used [prep] a | 31 |
|
| 13 | [noun sg] has [been] [v-ing] [prep] a | 30 |
|
| 14 | [noun sg] has [been] [verb] from a | 29 |
|
| 15 | [noun sg] has [been] made [prep] a | 28 |
|
| 16 | [noun sg] has [been] make [prep] a | 28 |
|
| 17 | [noun sg] has [been] [verb] at a | 22 |
|
| 18 | [noun sg] has [been] describe [prep] a | 19 |
|
| 19 | [noun sg] has [been] described [prep] a | 19 |
|
| 20 | [noun sg] has [been] replaced [prep] a | 15 |
|
| 21 | [noun sg] has [been] replace [prep] a | 15 |
|
| 22 | [noun sg] has [been] found [prep] a | 14 |
|
| 23 | [noun sg] has [been] find [prep] a | 14 |
|
| 24 | [noun sg] has [been] convert [prep] a | 12 |
|
| 25 | [noun sg] has [been] converted [prep] a | 12 |
|
| 26 | work has [been] [verb] [prep] a | 11 |
|
| 27 | system has [been] [verb] [prep] a | 11 |
|
| 28 | [noun sg] has [been] transformed [prep] a | 11 |
|
| 29 | [noun sg] has [been] transform [prep] a | 11 |
|
| 30 | [noun sg] has [been] launched [prep] a | 9 |
|
