| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [verb] for [det] year | 38 |
|
| 2 | has be [vb pp] for [det] year | 31 |
|
| 3 | have be used for [det] year | 12 |
|
| 4 | [verb] be used for [det] year | 12 |
|
| 5 | has be used for [det] [noun] | 10 |
|
| 6 | [vb -s] be used for [det] year | 7 |
|
| 7 | has [be] used for [det] year | 7 |
|
| 8 | has be used for [det] year | 7 |
|
| 9 | has be used [prep] [det] year | 7 |
|
| 10 | has be use for [det] year | 7 |
|
| 11 | has be used [prep] [det] year | 7 |
|
| 12 | has be used for [adj] year | 7 |
|
