having done by / at

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aysaa

Senior Member
Joined
Nov 26, 2011
Member Type
Student or Learner
Native Language
Turkish
Home Country
Turkey
Current Location
Turkey
Hi,

1. I remember my father having brought home a huge Christmas tree last year at 5 PM.
2. I remember my father having brought home a huge Christmas tree last year by 5 PM.

3. I regret not having done that yesterday at 7 PM.
4. I regret not having done that yesterday by7PM.

I have seen some people say in some internet sites that we must use a perfect infinitive (to having done) when actions are completed before a time limit, so; they say sentences 2 and 4 are correct. However, I would like to ask if sentences 1 and 3 are OK or not.

Thanks.
 

billmcd

Key Member
Joined
Mar 27, 2009
Member Type
English Teacher
Native Language
English
Home Country
United States
Current Location
United States
Hi,

1. I remember my father having brought home a huge Christmas tree last year at 5 PM.
2. I remember my father having brought home a huge Christmas tree last year by 5 PM.

3. I regret not having done that yesterday at 7 PM.
4. I regret not having done that yesterday by7PM.

I have seen some people say in some internet sites that we must use a perfect infinitive (to having done) when actions are completed before a time limit, so; they say sentences 2 and 4 are correct. However, I would like to ask if sentences 1 and 3 are OK or not.

Thanks.

Us of "at" in #'s 1 & 3 would indicate that the times stated were the precise/exact times at which the action(s) occurred (#1) or were to have occurred (#3).
 
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