Поставьте подходящий по смыслу глагол в third conditional. so if you put your glasses on, you wouldn't off. if i them on in the first place, the sun would have blinded me. and who knows: maybe i would both my ankles. if i hadn't broken my ankle, you stopped to talk to me!

So if you .hadn't. put your glasses on, you wouldn't .have gone off.
If I ..hadn't put... them on in the first place, the sun would have blinded me.
And who knows: maybe I would ..have broken... both my ankles.
If I hadn't broken my ankle, you ..wouldn't have... stopped to talk to me!