5.Because the residents had been informed earlier about this ,the damage was not significant

gr:S+had+been+V_ed+(byO)+... 

6He has been weakened badly by his unhealthy diet.
gr:S+have/has+been+Vpp+byO 

7.I asked Mr.and Mrs Robinson if they would go to Cairo on their holiday the next month.
gr:S+asked+O+if/whether+S+V(back tenses)

8.Robot will do all the housework in 20 years time.
gr:S+will+V+O(time)

9.His unhealthy diet has weakened him badly.
gr:S+have/has+Vpp+O
$\textit{#lie}$