| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been knock [adv prt] [prep] [art] | 17 |
|
| 2 | [verb] been knock [adv prt] [prep] [art] | 17 |
|
| 3 | [vb past] been knock [adv prt] [prep] [art] | 9 |
|
| 4 | had been knock [adv prt] [prep] [art] | 8 |
|
| 5 | been knock [adv prt] [prep] [art] [noun] | 14 |
|
| 6 | been knock [adv prt] [prep] [art] [noun sg] | 13 |
|
