| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has [adv] been show [conj] | 27 |
|
| 2 | it has [adv] [been] show that | 27 |
|
| 3 | it has [adv] [been] shown [conj] | 27 |
|
| 4 | it has [adv] [been] show that | 27 |
|
| 5 | it has [adv] [been] show [that] | 27 |
|
| 6 | it has also [been] show [conj] | 8 |
|
| 7 | it has recently [been] show [conj] | 5 |
|
| 8 | it has previously [been] show [conj] | 5 |
|
