| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [vb infin] a number of | 30 |
|
| 2 | does [verb] a number of | 11 |
|
| 3 | do [verb] a number of | 11 |
|
| 4 | do have a number of | 9 |
|
| 5 | do have a number of | 9 |
|
| 6 | did [verb] a number of | 8 |
|
