| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | speed up [noun sg] | 72 |
|
| 2 | to speed up [noun sg] | 38 |
|
| 3 | speed up [noun sg] | 11 |
|
| 4 | speeding up [noun sg] | 9 |
|
| 5 | speed up [noun sg] | 5 |
|
