| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] widely used [prep] [noun] | 7 |
|
| 2 | have [been] widely used [prep] [noun] | 7 |
|
| 3 | [vb -s] [been] widely used [prep] [noun] | 6 |
|
| 4 | has [been] widely used [prep] [noun] | 6 |
|
| 5 | [been] widely used [prep] [art] [noun] | 7 |
|
| 6 | [been] widely used [prep] [art] [noun] | 7 |
|
| 7 | [been] widely used [prep] the [noun] | 6 |
|
| 8 | [been] widely used [prep] the [noun] | 6 |
|
| 9 | [been] widely used [prep] [adj] [noun] | 5 |
|
