| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [adv] a | 3090 |
|
| 2 | it 's [adv] a | 2075 |
|
| 3 | it [be] often a | 51 |
|
| 4 | it be often a | 51 |
|
| 5 | it [is] often a | 41 |
|
| 6 | it 's often [art] | 21 |
|
| 7 | it 's often [art] | 21 |
|
| 8 | [pron] 's often a | 13 |
|
| 9 | it 's often a | 7 |
|
| 10 | it 's often a | 6 |
|
| 11 | it 's often a | 6 |
|
| 12 | [pers pn] 's often a | 6 |
|
