Rectify the sentence by selecting the correct one from the options. The athlete trained consistent and rigorously, aiming to qualify for the international tournament.

1. The athlete trained consistently and rigorously, aiming to qualify for the international tournament.
2. The athlete trained consistently and rigorous, aiming to qualify for the international tournament.
3. The athlete train consistent and rigorously, aiming to qualify for the international tournament.
4. The athlete trained consistent and rigorous, aiming to qualify for the international tournament.