Как из словосочетаний an easy work,a near planet,a slow train,on old bike,a difficult сделать сравнительную степень

1. Easier work, the easiest work
2. Nearer planet, the nearest planet
3. Slower train, the slowest train
4. Older bike, the oldest bike
5. More difficult, the most difficult

...easy work-easier mork than
...near planet-nearer planet than
...slow train-slower train than
...old bike -older bike than
...difficult-more difficult than...