past tense of counterstain is counterstained.
|Simple / Indefinite Present Tense
|He/She/It counterstains .
|Present Continuous Tense
|He/She/It is counterstaining.
|I am counterstaining.
|You/We/They are counterstaining.
|Present Perfect Tense
|He/She/It has counterstained.
|I have counterstained.
|You/We/They have counterstained.
|Present Perfect Continuous Tense
|He/She/It has been counterstaining.
|I have been counterstaining.
|You/We/They have been counterstaining.
|Simple Past Tense
|Past Continuous Tense
|He/She/It was counterstaining.
|I was counterstaining.
|You/We/They were counterstaining.
|Past Perfect Tense
|He/She/It had counterstained.
|I had counterstained.
|You/We/They had counterstained.
|Past Perfect Continuous Tense
|He/She/It had been counterstaining.
|I had been counterstaining.
|You/We/They had been counterstaining.
|Simple Future Tense
|He/She/It will/shall counterstain.
|I will/shall counterstain.
|You/We/They will/shall counterstain.
|Future Continuous Tense
|He/She/It will/shall be counterstaining.
|I will/shall be counterstaining.
|You/We/They will/shall be counterstaining.
|Future Perfect Tense
|He/She/It will/shall have counterstained.
|I will/shall have counterstained.
|You/We/They will/shall have counterstained.
|Future Perfect Continuous Tense
|He/She/It will/shall have been counterstaining.
|I will/shall have been counterstaining.
|You/We/They will/shall have been counterstaining.
PastTenses is a database of English verbs. One can check verbs forms in different tenses. Use our search box to check present tense, present participle tense, past tense and past participle tense of desired verb.