| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | many year there have [been] | 9 |
|
| 2 | many year there have been | 9 |
|
| 3 | many year there have be | 9 |
|
| 4 | many years there have [be] | 9 |
|
| 5 | many year there have [be] | 9 |
|
| 6 | many year there has [be] | 5 |
|
