Verb conjugation of "pinch" in English

I ran across the bridge to reach the other terminal and asked at the check in counter which connecting flights were still available. I wanted to avoid having to drive into the city at any cost.
The institute has conducted the tests successfully and submitted the reports. It also what Peter has mentioned. It could take a few months until the publication. Please wait patiently.
I'd be very happy if you could correct my Spanish. In return, I'll help you too, of course. 3 years ago I traveled to Chile to visit the country, only for a month, unfortunately. Loved the Cordillera!