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Re: Alfred lost more than 180 pounds since having [#permalink]
Because we are talking about a time in the past until now, we have to use have/has + past participle when we use since.

C is the only option
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Re: Alfred lost more than 180 pounds since having [#permalink]
Can someone explain all the options? I did not have good enough reason to eliminate any options
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Re: Alfred lost more than 180 pounds since having [#permalink]
pra1785 wrote:
Can someone explain all the options? I did not have good enough reason to eliminate any options


A & B out because sentence needs present perfect tense as weight loss effect is till now.
D is out because we need since with present perfect tense
In E Subsequently is an adverb if it would have been subsequent still since is preferred in present perfect tense as since shows continuation of time.
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Re: Alfred lost more than 180 pounds since having [#permalink]
IMO C

We require present perfect tense so we narrow down to C,D,and E. C is best
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Re: Alfred lost more than 180 pounds since having [#permalink]
Anyone please explain why the usage of "after" is wrong.
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Re: Alfred lost more than 180 pounds since having [#permalink]
Q) Alfred lost more than 180 pounds since having an operation truncating his stomach three years ago.

We need to either
1) add "has" to make it a present perfect tense as it started in the past and continuing/vaild at present.
Alfred *has* lost more than 180 pounds since having an operation truncating his stomach three years ago.

(This is present in the options, so go with it)

Or

2) remove "since" and add "after" to make the sentence past tense.
Alfred lost more than 180 pounds after having an operation truncating his stomach three years ago.

Posted from my mobile device
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Re: Alfred lost more than 180 pounds since having [#permalink]
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Re: Alfred lost more than 180 pounds since having [#permalink]
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