sniper的复数形式为：snipers...

reputation的复数形式为：reputations...

palter的现在进行时为：paltering...

gibbet的复数形式为：gibbets...

araucaria的复数形式为：araucarias...

crooner的复数形式为：crooners...

broadside的现在进行时为：broadsiding...

sentimentalize的现在进行时为：sentimentalizing...

brownstone的复数形式为：brownstones...

bilk的一般过去时为：bilked...

ferryboat的复数形式为：ferryboats...

certificate的现在进行时为：certificating...

gorgonize的现在完成时为：gorgonized...

shibboleth的复数形式为：shibboleths...

dread的现在完成时为：dreaded...

trumpeter的复数形式为：trumpeters...

double-decker的复数形式为：double-deckers...

altercate的现在完成时为：altercated...

broadcast的复数形式为：broadcasts...

每个学生都有导师指导他们写论文。Each student has a supervisor to advise on the writing of the dissertation.他正在写论文, 突然一阵头晕.He was writing his essay when, all of a sudden, he was seized with giddiness.我注意到大部分学者暑期都在写论文。I noticed that most ...

bootlick的第三人称单数（三单）为：bootlicks...

lapidate的现在完成时为：lapidated...

party的复数形式为：parties...

sprint的第三人称单数（三单）为：sprints...

implant的现在进行时为：implanting...

mitigate的第三人称单数（三单）为：mitigates...

submerge的现在完成时为：submerged...

gainsay的现在完成时为：gainsaid...

deferral的复数形式为：deferrals...

witness的现在进行时为：witnessing...