| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has been a | 914 |
|
| 2 | [noun sg] has [been] a | 610 |
|
| 3 | [noun prp] has [been] a | 194 |
|
| 4 | [noun pl] has [been] a | 100 |
|
| 5 | result has [been] a | 28 |
|
| 6 | result has [been] a | 28 |
|
| 7 | year has [been] a | 23 |
|
| 8 | year has [been] a | 14 |
|
| 9 | system has [been] a | 9 |
|
| 10 | system has [been] a | 9 |
|
| 11 | years has [been] a | 9 |
|
| 12 | policy has [been] a | 7 |
|
| 13 | policy has [been] a | 7 |
|
| 14 | life has [been] a | 7 |
|
| 15 | work has [been] a | 7 |
|
| 16 | life has [been] a | 7 |
|
| 17 | work has [been] a | 7 |
|
| 18 | [n mass] has [been] a | 7 |
|
| 19 | war has [been] a | 5 |
|
| 20 | war has [been] a | 5 |
|
| 21 | market has [been] a | 5 |
|
