| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] used for [det] | 27 |
|
| 2 | [verb] [been] used for [det] | 27 |
|
| 3 | [vb -s] [been] used for [det] | 11 |
|
| 4 | has [been] used for [det] | 10 |
|
| 5 | [adv] [been] used for [det] | 8 |
|
| 6 | [vb past] [been] used for [det] | 6 |
|
| 7 | had [been] used for [det] | 6 |
|
| 8 | [vb base] [been] used for [det] | 6 |
|
| 9 | have [been] used for [det] | 5 |
|
| 10 | [not/n't] [been] used for [det] | 5 |
|
| 11 | not [been] used for [det] | 5 |
|
| 12 | [been] used [adv] for [det] | 5 |
|
| 13 | [been] used [adv] for [det] | 5 |
|
| 14 | [been] used for [det] [noun] | 27 |
|
| 15 | [been] used for [det] [noun pl] | 15 |
|
| 16 | [been] used for [det] year | 13 |
|
| 17 | [been] used for [det] years | 13 |
|
| 18 | [been] used for [det] [noun sg] | 12 |
|
| 19 | [been] used for [det] purpose | 6 |
|
| 20 | [been] used for [det] purpose | 5 |
|
