I birth you birth he births we birth you birth they birth
Present continuous
I am birthing you are birthing he is birthing we are birthing you are birthing they are birthing
Preterite
I birthed you birthed he birthed we birthed you birthed they birthed
Preterite continuous
I was birthing you were birthing he was birthing we were birthing you were birthing they were birthing
Present perfect
I have birthed you have birthed he has birthed we have birthed you have birthed they have birthed
Present perfect continuous
I have been birthing you have been birthing he has been birthing we have been birthing you have been birthing they have been birthing
Pluperfect
I had birthed you had birthed he had birthed we had birthed you had birthed they had birthed
Pluperfect continuous
I had been birthing you had been birthing he had been birthing we had been birthing you had been birthing they had been birthing
Future
I will birth you will birth he will birth we will birth you will birth they will birth
Future continuous
I will be birthing you will be birthing he will be birthing we will be birthing you will be birthing they will be birthing
Future perfect
I will have birthed you will have birthed he will have birthed we will have birthed you will have birthed they will have birthed
Future perfect continuous
I will have been birthing you will have been birthing he will have been birthing we will have been birthing you will have been birthing they will have been birthing
Conditional
Present
I would birth you would birth he would birth we would birth you would birth they would birth
Present continuous
I would be birthing you would be birthing he would be birthing we would be birthing you would be birthing they would be birthing
Past
I would have birthed you would have birthed he would have birthed we would have birthed you would have birthed they would have birthed
Past continuous
I would have been birthing you would have been birthing he would have been birthing we would have been birthing you would have been birthing they would have been birthing