Verb conjugation of "undress" in English

About ten hours later we landed in Bangkok, with the calculated time difference it was about two o'clock in the afternoon. I asked at the information desk how I could get to the domestic terminal.
I remember once again how I failed as a student, mainly in French class. Since I have lived in Russia, it was not easy to learn other foreign languages. The alphabet is also different.
Many thanks for your suggestions. They are very useful. I can't answer your mail now, but I will come back to you later when I'll have more time. I hope that you and your family are well!