ПОСТАВЬТЕ ГЛАГОЛЫ В ПРАВИЛЬНУЮ ФОРМУ      1)we just switch on TV and watch what weather we ( be going) to have 
2) BUT sometimes the weatherman make (a mistake) AND WE HAVE TEN  degrees instead of  twenty
3) the sun (shine ) outside but the weather forecast says that it is raining  
7) weather (not be ) an easy thing to forecast . weatherman collect a lot information from ships and planes and use it to forecast the weather