What is the perfect tense of the word teach?

Present Perfect:

• I/You/We/They have taught.
• He/She/It has taught.

Present Perfect Continuous:

• I/You/We/They have been teaching.
• He/She/It has been teaching.

Past Perfect:

• Had taught.

Past Perfect Continuous:

• Had been teaching.

Future Perfect:

• Will have taught.

Future Perfect Continuous:

• Will have been teaching.