Джейн, кажется, раньше, чем вы, изъявила желание помочь им. Многие из пассажиров, по-видимому, были туристами. Они сказали, что подобное вряд ли случается дважды.
Jane seems to be earlier than you, offered to help them. Many of the passengers were apparently tourists. They said that this was unlikely to happen twice.
Jane seems to be sooner than you expressed a desire to help them. Many of the passengers apparently were tourists. They said that this is unlikely to happen twice.
Jane, it seems, rather than you, has expressed a willingness to help them. Many of the passengers, appeared to have been by tourists. They said that this is unlikely to happen twice.