Considering language use in the text, it’s correct to say:
The verb form “have been analyzing” (l. 1) describes an action completed in the past.
The modal “may” (l. 18) expresses permission.
The expression “due to” (l. 18) has the meaning of because of.
The ‘s in “London’s” (l. 20) is the contraction of is
The word “wrongly” (l. 29) is functioning as an adjective.