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).
If the weather is fine, we eat in the garden. We'll go out if the weather is good tomorrow. Either clause or both clauses can be negative: If the weather isn't fine, our dog doesn't like to go out. I'll be sad if the weather isn't good tomorrow. The if clause or the result clause can come. first. We use a comma when the if clause. comes first. 2 Zero conditional. We form zero conditional sentences with the verb in. the present simple in both clauses: Children learn quickly if they are interested.