| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | year there have been [art] [adj] | 56 |
|
| 2 | year there have been [art] [adj] | 55 |
|
| 3 | year there have been a [adj] | 53 |
|
| 4 | years there have been [art] [adj] | 53 |
|
| 5 | year there has been [art] [adj] | 49 |
|
| 6 | year there have been a [adj] | 38 |
|
| 7 | year there have been an [adj] | 15 |
|
| 8 | year there have been [art] major | 5 |
|
| 9 | year there have been [art] major | 5 |
|
