I tack you tack he tacks we tack you tack they tack
Present continuous
I am tacking you are tacking he is tacking we are tacking you are tacking they are tacking
Preterite
I tacked you tacked he tacked we tacked you tacked they tacked
Preterite continuous
I was tacking you were tacking he was tacking we were tacking you were tacking they were tacking
Present perfect
I have tacked you have tacked he has tacked we have tacked you have tacked they have tacked
Present perfect continuous
I have been tacking you have been tacking he has been tacking we have been tacking you have been tacking they have been tacking
Pluperfect
I had tacked you had tacked he had tacked we had tacked you had tacked they had tacked
Pluperfect continuous
I had been tacking you had been tacking he had been tacking we had been tacking you had been tacking they had been tacking
Future
I will tack you will tack he will tack we will tack you will tack they will tack
Future continuous
I will be tacking you will be tacking he will be tacking we will be tacking you will be tacking they will be tacking
Future perfect
I will have tacked you will have tacked he will have tacked we will have tacked you will have tacked they will have tacked
Future perfect continuous
I will have been tacking you will have been tacking he will have been tacking we will have been tacking you will have been tacking they will have been tacking
Conditional
Present
I would tack you would tack he would tack we would tack you would tack they would tack
Present continuous
I would be tacking you would be tacking he would be tacking we would be tacking you would be tacking they would be tacking
Past
I would have tacked you would have tacked he would have tacked we would have tacked you would have tacked they would have tacked
Past continuous
I would have been tacking you would have been tacking he would have been tacking we would have been tacking you would have been tacking they would have been tacking