| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] [num] [noun] | 338 |
|
| 2 | has been extend [prep] [adj] [noun] | 11 |
|
| 3 | [verb] been extend [prep] [num] [noun] | 9 |
|
| 4 | have been extend [prep] [num] [noun] | 9 |
|
| 5 | [vb -s] been extend [prep] [num] [noun] | 5 |
|
| 6 | has [be] extend [prep] [num] [noun] | 5 |
|
| 7 | has [been] extend [prep] [num] [noun] | 5 |
|
| 8 | has be extend [prep] [num] [noun] | 5 |
|
