| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [been] [verb] for | 543 |
|
| 2 | [verb] [adv] [been] [vb pp] for | 446 |
|
| 3 | [verb] [adv] [been] used [prep] | 155 |
|
| 4 | [verb] [adv] [been] used [prep] | 155 |
|
| 5 | [verb] [adv] [been] used for | 43 |
|
| 6 | [verb] [adv] [be] used for | 29 |
|
| 7 | [verb] [adv] [been] use for | 28 |
|
| 8 | [verb] [adv] [been] used for | 27 |
|
