Repeating the word(s) over and over, writing them and listening to them.
If it's a specific sentence, you can record yourself saying it and repeat it.
As for learning Spanish in general, try doing all those things I said before AND listening to movies in Spanish with subtitles.
Good luck!
Te amo con todo mi corazón en español?
1-la enfermera es la que ayuda al doctor.
2-yo tomó medicina para sentirme mejor
3-no,no tengo fiebre ahorita.