Complete the following sentences, bearing in mind the chart and the model Ex 41 1. The students knew when the delegation (arri ve) but they were the weather (change- for the better) and il (remain good till the end of above. not sure if (at the appointed lime). 2. We asked the weather man when in the month). 3. 1 wasn't sure if they (get to the station in that 4. It was not clear if the weather (change) but what we wanted to know The Future Tense can be used after the conjunctions "t"