Unlike sentence-final adverbials, sentence-initial adverbial modifies the whole sentence, expressing the speaker attitude or opinion about someth...

Unlike sentence-final adverbials, sentence-initial adverbial modifies the whole sentence, expressing the speaker attitude or opinion about something. What is the option with a sentence-initial adverbial with probability meaning? Surprisingly, I arrived on time that day. Clearly smoking cigarettes is not healthy for anyone. Usually people, exempting workaholics, don¿t like working every day of the week. Maybe our parents were telling us the truth about vegetable nutrition. Unfortunately scientific researches show that global warming is growing.