He said to me: "What do you think smarts phone will be like in the future"

1, he said to me: "What do you think smarts phone will be like in the future"
=> He asked
2, Those children need to be taught about how Vietnam has transformed itself 
=> It is
3, Have you got any cheaper carpet than this
=> Is this
4, Martin may not be very well but he still manages to enjoy life 
=> Martin's poor