Canvas tents have been around since before they started making tents out of nylon, polyester and other synthetic materials. I own two canvas tents myself, both a Kodiak and a Springbar.
From Wikipedia, the free encyclopedia. The conditional perfect is a grammatical construction that combines the conditional mood with perfect aspect. A typical example is the English would have written. The conditional perfect is used to refer to a hypothetical, usually counterfactual, event or circumstance placed in the past, contingent on some other circumstance (again normally counterfactual, and also usually placed in the past).
1863, Jules Festu, Practical lessons on the comparative construction of the verb in the French and English languages In conjectural statements, the French often use the Future or the Conditional, instead of the Perfect or the Pluperfect used in English. 1844, Thomas Joseph Pettigrew, On Superstitions Connected with the History and Practice of ...