Англичане!Помогите перевести!заранее спасибо

1. they will not start a meeting until the chief engineer comes. 2. if you do not meet them, ask them to call us. 3. you will immediately recognize Gemma as soon as you see her. 4. I wonder when they will return. 5. Do not cross the street until the green color lights up. 6. as soon as he arrives he will ring you. 7. he will be very happy when you come to New York. 8. If you drink this water you will get sick. 9. I can not tell you when they will return. 10. If you do not take a taxi now you are late for a plane. 11. when you want to see me call. 12. You will not know English until you begin to persevere in it. 13. I'll drop by before you leave. 14. When winter comes I will go to India. 15. I do not know when I'll see him again. ПРОШУ ОЦЕНИТЬ, ЕСЛИ Посодействовала