Проспрягайте глагол to speak в утвердительной,отрицательной и вопросительной формах в Present Infinite Tense, Past Infinite Tense, Future Infinite Tense.
Все времена по порядку. I speak English. I don't speak English. Do I speak English? I spoke English. I didn't speak English. Did I speak English? I will speak English. I won't speak English. Will I speak English?