I decided to ask several questions.

(1a) Are the following constructions equal? : 

After doing smth, he did smth = Having done (Participle Perfect), he did smth

(1b) and what is "after doing smth"? is it a gerund-clause with a conjunciton or a participle-clause with a conjunction?. will anything be changed if we say "after HIS/HER doing smth"?

(1с)  "We are tired after walking for two hours" walking - gerund(?), after-preposition (?). But if we say "After walking for 2 hours, we are/were tired" will 'walking' be a participle and 'after' be a  conjunction (as it could be in 1a,1b examples)? 



(2) Would the following statements (2a,2b) be correct? :

(2a)When we are talking about past events Participle II (done) will be equal to Passive Perfect Participle   

Punished by a tutor, a student did smth = Having been punished, the student did smth  = After being punished(Present Passive Participle? + Conjunction), the student did smth


(2b)When we are talking about present events Participle II will be equal to Passive Simple Participle

Being placed in the open air iron rusts and deteriorates (that is, when/because it is being placed in the open air iron (simultaneously with the process of placing) rusts and deteriorates)

participle gerund edited Mar 24 '13 at 16:32 Jonny English New member

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