| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [vb pp] a long time | 8 |
|
| 2 | it [vb -s] taken a long time | 8 |
|
| 3 | it [vb -s] [vb pp] a long time | 8 |
|
| 4 | it has [vb pp] a long time | 7 |
|
