| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [been] [adv prt] for | 9 |
|
| 2 | which have been [adv prt] for | 9 |
|
| 3 | which have [been] around for | 8 |
|
| 4 | which has [been] [adv prt] for | 7 |
|
