| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] ahead | 98 |
|
| 2 | [is] to go [adv] | 82 |
|
| 3 | [is] go ahead | 49 |
|
| 4 | [be] to go ahead | 41 |
|
| 5 | [is] to go [adv] | 40 |
|
| 6 | [is] [to-vb] ahead | 26 |
|
| 7 | [is] to go ahead | 19 |
|
