| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [verb] a | 293 |
|
| 2 | it [vb past] [vb pp] a | 282 |
|
| 3 | it [vb past] [to-vb] a | 155 |
|
| 4 | it [vb past] [vb infin] a | 71 |
|
| 5 | it did [verb] a | 70 |
|
| 6 | it [vb past] become a | 48 |
|
| 7 | it [vb past] become a | 46 |
|
| 8 | it [vb past] have a | 40 |
|
| 9 | it [vb past] take a | 31 |
|
| 10 | it seemed [verb] a | 26 |
|
| 11 | it [vb past] taken a | 22 |
|
| 12 | it [vb past] [v-ing] a | 22 |
|
| 13 | it [vb past] make a | 18 |
|
| 14 | it [vb past] get a | 18 |
|
| 15 | it [vb past] seem a | 18 |
|
| 16 | it failed [verb] a | 16 |
|
| 17 | it [vb past] to have a | 15 |
|
| 18 | it [vb past] provide a | 14 |
|
| 19 | it [vb past] seemed a | 13 |
|
| 20 | it meant [verb] a | 13 |
|
| 21 | it began [verb] a | 12 |
|
| 22 | it [vb past] create a | 11 |
|
| 23 | it [vb past] have a | 11 |
|
| 24 | it [vb past] made a | 10 |
|
| 25 | it [vb past] had a | 9 |
|
| 26 | it started [verb] a | 9 |
|
| 27 | it [vb past] produce a | 8 |
|
| 28 | it [vb past] to create a | 8 |
|
| 29 | it [vb past] receive a | 8 |
|
| 30 | it helped [verb] a | 8 |
|
