Hello guys! Who could help me to check my sentences in passive voice?
The task was:
My sentences:
2)Generally pictures of human faces are "liked" more often than pictures without human faces.
3)Most selfies are shared on Facebook.
4)About 36 % of selfies had been made before they were posted.
5) Taking selfies killed more people than they were attacked by sharks last year.
6.) 25.000 selfies will have been taken by people born in 1980 by the end of their lifetime.
7)Roughly 54 hours per year are spent on taking selfies by teenagers.
8)The first sefie stick was invent 20 years ago.
9)The selfie stick was listed by Time magazine as one of 25 best inventions in 2014.
10) Selfie sticks will be banned soon in museums, stadiums and at famous historic sites.[Image]

Question

Hello guys! Who could help me to check my sentences in passive voice? 
The task was:
My sentences:
2)Generally pictures of human faces are "liked" more often than pictures without human faces.
3)Most selfies are shared on Facebook.
4)About 36 % of selfies had been made before they were posted. 
5) Taking selfies killed more people than they were attacked by sharks last year.
6.) 25.000 selfies will have been taken by people born in 1980 by the end of their lifetime.
7)Roughly 54 hours per year are spent on taking selfies by teenagers. 
8)The first sefie stick was invent 20 years ago. 
9)The selfie stick was listed by Time magazine as one of 25 best inventions in 2014.
10) Selfie sticks will be banned soon in museums, stadiums and at famous historic sites.[Image]

Answer

(5) Should be something like "Taking selfies has killed more people than attacks by sharks last year"

(8) Should use "invented" instead of "invent"

The rest look good 👍

Evden çıkmadan dil öğrenme fırsatını kaçırmayın. Deneyimli dil eğitmenlerimizden oluşan seçkimize göz atın ve ilk dersinize şimdi kaydolun!