SDF
Since, During, For… and the Anamnesis Since, During & For Since : We use s ince with the s tarting point of an action. This gives us a double S . Interrogative: "She has had the pins and needles s ince the end of March." Negative: "I haven't taken the medication s ince my accident." Affirmative: "We have been using the crutches s ince you suggested we use them." During : We use d uring with defined periods. This gives us a double d . Interrogative: "Do you think he came down with the flu d uring the weekend?" Negative: "I can hardly sleep d uring the night." Affirmative: "We exercised a lot d uring the summer." ...