| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | especially when it [is] [verb] | 13 |
|
| 2 | especially when it [is] [vb pp] | 12 |
|
| 3 | especially when it [is] [prep] | 7 |
|
| 4 | especially when it [is] [adj] | 7 |
|
| 5 | especially when it [is] [adj] | 7 |
|
| 6 | especially when it [is] [prep] | 7 |
|
