| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] press while [prep] | 5 |
|
| 2 | it [be] [vb pp] while [prep] | 5 |
|
| 3 | it [be] [verb] while [prep] | 5 |
|
| 4 | it [be] pressed while [prep] | 5 |
|
| 5 | it [be] while [v-ing] [prep] | 6 |
|
| 6 | it [be] while [verb] [prep] | 6 |
|
| 7 | it [be] while [prep] [noun] | 5 |
|
