The variants of 3 including "not" simply exchange the outcome from buying to not buying, just are otherwise the same, and the Saame options are useable. 3B1 expresses dubiety concluded the event, indeed expects it not to find. 3B2 expresses uncertainty, it might or might non encounter. This shape assumes or suggests that the leverage bequeath happen, and approves of it. 3 "It's best (if) he (not) buy it tomorrow." is not a subjunctive form, and just about options do not work out wellspring. Yo...

The variants of 3 including "not" simply exchange the outcome from buying to not buying, just are otherwise the same, and the Saame options are useable. 3B1 expresses dubiety concluded the event, indeed expects it not to find. 3B2 expresses uncertainty, it might or might non encounter. This shape assumes or suggests that the leverage bequeath happen, and approves of it. 3 "It's best (if) he (not) buy it tomorrow." is not a subjunctive form, and just about options do not work out wellspring. Yo...