| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] a substantial number | 6 |
|
| 2 | [adv] a substantial number [prep] | 10 |
|
| 3 | [adv] a substantial number [prep] | 10 |
|
| 4 | [adv] a substantial number of | 9 |
|
| 5 | [adv] a substantial number of | 9 |
|
