| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | look at the effect | 45 |
|
| 2 | look at the effect | 30 |
|
| 3 | look at the effects | 15 |
|
| 4 | looking at the effect | 12 |
|
| 5 | to look at the effect | 10 |
|
| 6 | look at the effect | 6 |
|
| 7 | looked at the effect | 5 |
|
