5 Complete the sentences with the correct forms of the words and phrases in the boxes. make - go black the touch screen backups 1 My sister was when download - crash - a film 2 While my computer install - drop - a glass of water an app on his computer 3 While my dad he 5 Imagine that you and your friends had four problems while you were using a computer. Write about them, using past tenses. when 11.