I curb you curb he curbs we curb you curb they curb
Present continuous
I am curbing you are curbing he is curbing we are curbing you are curbing they are curbing
Preterite
I curbed you curbed he curbed we curbed you curbed they curbed
Preterite continuous
I was curbing you were curbing he was curbing we were curbing you were curbing they were curbing
Present perfect
I have curbed you have curbed he has curbed we have curbed you have curbed they have curbed
Present perfect continuous
I have been curbing you have been curbing he has been curbing we have been curbing you have been curbing they have been curbing
Pluperfect
I had curbed you had curbed he had curbed we had curbed you had curbed they had curbed
Pluperfect continuous
I had been curbing you had been curbing he had been curbing we had been curbing you had been curbing they had been curbing
Future
I will curb you will curb he will curb we will curb you will curb they will curb
Future continuous
I will be curbing you will be curbing he will be curbing we will be curbing you will be curbing they will be curbing
Future perfect
I will have curbed you will have curbed he will have curbed we will have curbed you will have curbed they will have curbed
Future perfect continuous
I will have been curbing you will have been curbing he will have been curbing we will have been curbing you will have been curbing they will have been curbing
Conditional
Present
I would curb you would curb he would curb we would curb you would curb they would curb
Present continuous
I would be curbing you would be curbing he would be curbing we would be curbing you would be curbing they would be curbing
Past
I would have curbed you would have curbed he would have curbed we would have curbed you would have curbed they would have curbed
Past continuous
I would have been curbing you would have been curbing he would have been curbing we would have been curbing you would have been curbing they would have been curbing