In fact, they apply only to personal pronouns, possessive pronouns, and reflexive pronouns. It is only in these types, too, that gender differences are shown (personal he/she, possessive his/hers, reflexive himself/herself). ... Many of the pronouns listed above also belong to another word class - the class of determiners.
Pronouns @ The Internet Grammar of English - UCL
A shadow because there no bird that you can see
1.Import
2.Transport
I'm might be wrong on question 1 but hope it help you.
Indicates a state of reality.
Indicative verbs state what is going on at that moment, or what could very possibly happen.
e.g "I run through the forest".
