Looking on the internet deeply has found these results:

I knew I would perish is the most popular phrase on the web.

I knew I'd perish 10 results on the web	I knew I would perish 135 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Dec 2, 2013 ... If there was beauty here, I had to see it, for without its promise in my life I knew I would perish inwardly, even if it took a lifetime to do it. If there�... Jun 25, 2012 ... If he had said �If I knew I would perish tomorrow I would plant an apple tree today � it would seem more spiritual. I am with you Kathy C. My�... Early on, Eva resolved, �I could not think of myself as a victim � or I knew I would perish. It was simple. For me, there was no room for any thought except survival. Whatever it was or was not, I could not feel sorry for myself, for Miriam, for anyone . I could not think of myself as a victim, or I knew I would perish. It was simple.

I knew I'd perish

10 results on the web

I knew I would perish

135 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Dec 2, 2013 ... If there was beauty here, I had to see it, for without its promise in my life I knew I would perish inwardly, even if it took a lifetime to do it. If there�...
Jun 25, 2012 ... If he had said �If I knew I would perish tomorrow I would plant an apple tree today � it would seem more spiritual. I am with you Kathy C. My�...
Early on, Eva resolved, �I could not think of myself as a victim � or I knew I would perish. It was simple. For me, there was no room for any thought except survival.
Whatever it was or was not, I could not feel sorry for myself, for Miriam, for anyone . I could not think of myself as a victim, or I knew I would perish. It was simple.