How to write a conditioanl statement, that occured in the past?

As it turned out, did you adopt the method, and need to hand the work over to him, and was there a problem because of this? If not, I suggest:

Adoption of the method would likely have posed a problem if I had needed to hand over the work to him in the future.

Thank you GPY.

I will try to explain the context.

In 2013, I had to choose between 2 options while I was responsible for a work during an interim period. I realized that the first option might pose a problem if I had to hand over someone in the future. Because of that, I chose the second option. (That turned out to be good).

Now I am doing a write-up and my focus i

araselvanAdoption of the method would likely pose a problem if I needed to hand over the work to him in the future.

That appears to be correct in the context you have described.

That use of would likely jars with this speaker of BrE. I'd use either would probably or would be likely to.

Thank you fivejedjon.

In my opinion, "would likely pose ... if I needed" may work if you are writing about the past in an "in the moment" style. If you are writing retrospectively, I feel it should be "would likely have posed ... if I had needed".

Thank you GPY. I understand it better. I need to write 'in the moment' style. (I had not realized the possiblity of two styles, till you pointed out).

thanks u ......