[Vocabulary] its (possessive pronoun)

[sitifan]

1. Each team tried to show that its was the best strategy. (quoted from the link below)
2. His dog lived for 13 years. Its wasn't a terrible life. (quoted from the link below)
http://www.taiwantestcentral.com/Grammar/Title.aspx?ID=15

Are the above sentences acceptable to native speakers?

 

[jutfrank]

They're not good. It is possible to use its like that if you suitably stress the word, but I don't think you should, generally speaking. And you should discourage your students from doing it too.

 

[GoesStation]

I see nothing wrong with sentence one. Sentence two is awkward and unnatural, but after reading it three or four times, I realized it's not ungrammatical.