Verb conjugation of "chat" in English

Work was performed only in June, July, August and September. In October and November, Erik has been waiting for Katja's visit and Sabine was on maternal leave after Christmas and New Year.
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.
Life in Brazil is exciting because it is so different. The people, the weather, and so much more! One can have a completely wrong impression when listening to the media. You can live a great life here.