| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has [been] [art] | 2090 |
|
| 2 | year have [been] [art] | 117 |
|
| 3 | year [verb] [been] [art] | 117 |
|
| 4 | year [vb -s] [been] [art] | 93 |
|
| 5 | year has [been] [art] | 93 |
|
| 6 | year has [be] [art] | 93 |
|
