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Dear colleague,
i'm an english teacher from Belgrade and I just wanted to ask whether
forms of irregular verb To cost -cost ad costed are both correct.
They are different- the form 'cost' describes how much you paid for something. 'Costed' is used for giving estimates- the builder costed the job at five hundred pounds.
Dear colleague, I'm an English teacher from Belgrade and I just wanted to ask whether forms of the irregular verb To cost -cost and costed are both correct. Thanks in advance.
In addition to what tdol said,
the verb to cost has the following forms: cost, cost, cost
irregular verbs 
Linear Mode
