表達 某事有可能發生或有可能為真,可透過 it is possible (that) S + V …、it is probable (that) S + V …、it is likely (that) S + V … (= S is likely to V )、there is a chance (that) S + V …、there is a possibility (that) S + V …、there is a probability (that) S + V …、there is a likelihood (that) S + V …、there is a prospect (that) S + V …、it may be (that) S + V … (= S may V … )、it might be (that) S + V … (= S might V … )、it could be (that) S + V … (= S could V … ) 等 ( 註釋:上列 ( 及下列 ) 各句中的 (that) S + V … 為 that 引導的名詞子句,在此是用來表達「某事」,另 (that) 則代表 that 可省略 ),表達 某事不太可能發生或不太可能為真 ( 即某事發生或為真的可能性很低 ),可透過 it is unlikely (that) S + V … (= S is unlikely to V )、it is doubtful (that) S + V …、it is improbable (that) S + V …、it is just possible (that) S + V …、there is just a chance (that) S + V …、there is just a possibility (that) S + V …、there is a slim chance (that) S + V …、there is a slight chance (that) S + V …、there is a small chance (that) S + V …、there is a slim possibility (that) S + V …、there is a slight possibility (that) S + V …、there is a small possibility (that) S + V …、there’s an outside chance (that) S + V …、there’s a remote chance (that) S + V …、there’s an outside possibility (that) S + V …、there’s a remote possibility (that) S + V …、there is little chance (that) S + V …、there is little possibility (that) S + V …、there is little likelihood (that) S + V …、there is little probability (that) S + V …、there is little prospect (that) S + V …等,表達 某事很有可能發生或很有可能為真 ( 即某事發生或為真的可能性很高 ),可透過 it’s very likely (that) S + V …、it’s more than likely (that) S + V …、there is a strong chance (that) S + V …、there is a strong possibility (that) S + V …、there is a strong likelihood (that) S + V …、there is a strong probability (that) S + V …、there is a strong prospect (that) S + V …、there is every chance (that) S + V …、there is every possibility (that) S + V …、there is every likelihood (that) S + V …、there is every probability (that) S + V …、there is every prospect (that) S + V …、it may well be (that) S + V … (= S may well V … )、it might well be (that) S + V … (= S might well V … ) 、it could well be (that) S + V … (= S could well V … )、(the) chances are (that) S + V …、(the) odds are (that) S + V …、(it’s) ten to one (that) S + V … (非正式) 等等,表達 某事並非沒有可能,可透過 it is not beyond the realm of possibility that S + V …、it is not outside the realm of possibility that S + V …、it is within the realm of possibility that S + V …、it’s not beyond the bounds of possibility that S + V … (英式為主)、it’s within the bounds of possibility that S + V …(英式為主) 等;此外,表達 做某事 (Y) 有可能成功,可透過 stand a (good) chance of doing Y、have a (good) chance of doing Y、be in with a chance of doing Y (英式、非正式)、be on course to do Y 等,表達 做某事 (Y) 不太可能會成功,可透過 not stand much chance of doing Y (= stand little chance of doing Y ) ( 兩句中的 stand 皆可用 have 替換 ),表達 某人 (X) 很有可能會遭遇某件不好的事 (Y),可透過 X is heading for Y,表達 某件事 (Y) 有可能發生,可透過 Y is in the cards (美式) (= Y is on the cards (英式) );另外,表達 可能地,可透過 possibly、probably [ˋprɑbəblɪ]、maybe、perhaps [pɚˋhæps]、presumably [prɪˋzuməblɪ] 等。