I cost you cost she costs we cost you cost they cost
Present continuous
I am costing you are costing she is costing we are costing you are costing they are costing
Preterite
I cost you cost she cost we cost you cost they cost
Preterite continuous
I was costing you were costing she was costing we were costing you were costing they were costing
Present perfect
I havecost you havecost she hascost we havecost you havecost they havecost
Present perfect continuous
I have been costing you have been costing she has been costing we have been costing you have been costing they have been costing
Pluperfect
I had cost you had cost she had cost we had cost you had cost they had cost
Pluperfect continuous
I had been costing you had been costing she had been costing we had been costing you had been costing they had been costing
Future
I will cost you will cost she will cost we will cost you will cost they will cost
Future continuous
I will be costing you will be costing she will be costing we will be costing you will be costing they will be costing
Future perfect
I will have cost you will have cost she will have cost we will have cost you will have cost they will have cost
Future perfect continuous
I will have been costing you will have been costing she will have been costing we will have been costing you will have been costing they will have been costing
Conditional
Present
I would cost you would cost she would cost we would cost you would cost they would cost
Present continuous
I would be costing you would be costing she would be costing we would be costing you would be costing they would be costing
Past
I would have cost you would have cost she would have cost we would have cost you would have cost they would have cost
Past continuous
I would have been costing you would have been costing she would have been costing we would have been costing you would have been costing they would have been costing