| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had not [vb pp] | 326 |
|
| 2 | it had n't [verb] | 177 |
|
| 3 | it had not [verb] | 153 |
|
| 4 | it had not occur | 44 |
|
| 5 | it had not occurred | 44 |
|
| 6 | it had not take | 24 |
|
| 7 | it had not taken | 24 |
|
| 8 | it had not happen | 17 |
|
| 9 | it had not happened | 17 |
|
| 10 | it had not work | 12 |
|
| 11 | it had not got | 12 |
|
| 12 | it had not get | 12 |
|
| 13 | it had not worked | 12 |
|
| 14 | it had not have | 11 |
|
| 15 | it had not seem | 10 |
|
| 16 | it had not seemed | 10 |
|
| 17 | it had not gone | 9 |
|
| 18 | it had not rained | 9 |
|
| 19 | it had not go | 9 |
|
| 20 | it had not rain | 9 |
|
| 21 | it had not do | 8 |
|
| 22 | it had not done | 8 |
|
| 23 | it had not come | 7 |
|
| 24 | it had not helped | 7 |
|
| 25 | it had not had | 7 |
|
| 26 | it had not come | 7 |
|
| 27 | it had not help | 7 |
|
| 28 | it had not stop | 6 |
|
| 29 | it had not made | 6 |
|
| 30 | it had not make | 6 |
|
