| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a significant [noun sg] | 62 |
|
| 2 | been a significant increase | 8 |
|
| 3 | been a significant increase | 8 |
|
| 4 | been a significant decline | 5 |
|
| 5 | been a significant factor | 5 |
|
| 6 | been a significant factor | 5 |
|
| 7 | been a significant decline | 5 |
|
