Rewrite sentences 1-8 in the negative form.

1. I haven’t posted the letter today. 2. Helen hasn’t done it recently. 3. They haven’t left London for Paris this morning. 4. My son hasn’t arrived recently. 5. It hasn’t just started to rain. 6. We haven’t spent all the money this week. 7. The sun hasn’t just set. 8. Mother hasn’t cooked dinner recently.