| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have [been] [verb] for | 92 |
|
| 2 | [adv] have [been] [vb pp] for | 76 |
|
| 3 | [adv] have [been] used [prep] | 28 |
|
| 4 | [adv] have [been] used [prep] | 28 |
|
| 5 | [adv] have [been] used for | 8 |
|
| 6 | [adv] have [been] use for | 8 |
|
| 7 | [adv] [verb] [been] used for | 8 |
|
| 8 | [adv] have [be] used for | 8 |
|
