Preposition: that

• people: I can only surmise that these people don't get out very often.

• figure: We can only surmise that the figure was discerned in a cloudy crystal ball that is Ehrlich's head.

Converse of object

• make: Cobb makes surmises - April is the favorite month for young female suicides - nine month after summer.

Modifying Another Word

• already: As he had already surmised, they were in a narrow cell with a pallet at either side.

• quickly: As my wife quickly surmised, it was not different or exotic enough to be of interest.

Object

• existence: It is possible to surmise the existence of supernatural ( magical or otherwise ) properties by comparing knowledge of natural behavior with actual one.

Adjective modifier

• wild: With a wild surmise " The future is dark, the present burdensome; only the past, dead and finished, bears contemplation.

• mere: I've told you all I know myself now, for the rest is mere surmise and conjecture.

• pure: Of course, all this last bit is pure surmise.

• reasonable: But we may reasonable surmise that his subsequent promotions were as much owing to high birth as to great abilities.

Modifying Another Word

• only: We can only surmise how Eileen Alderman met Bob Mills.

• also: He also surmises that 1965 is the ideal time to find out about the Master Plan's origins.

• even: Since Ireland had only recently emerged from a period of outright rebellion one might even surmise that printers would keep Irish connections quiet.

Noun used with modifier

• I: An alternative to staying at home, I surmise, was to vote for the pensioners.

• researcher: Unless these are resolved, the UK researchers surmise, its economic potential is certain to be compromised, particularly for developing countries.

Used with why or when

• what: It is quite natural to surmise what might be contained in a sealed parcel or a bag.