What principal part am I?
conjugate me!
past, present participle or past participle
100

 danced

simple past

100

In the 1400s, most artists PAINT religious subjects. (simple past)

Painted

In the 1400s, most artists painted religious subjects.

100

They start (Simple past)

They started

200

give

present (simple present)

200

Today, artists HAVE much more freedom. (simple present)

 Have.

Today, artists have much more freedom. 

200

He sees (past participle)

He was seeing

300

is lying

present participle

300

Some of them USE computers. (past participle)

Have Used.  

Some of them have used computers. 

300

She walks (past participle)

She has walked

400

sing

present (Simple Present)

400

Our class VISIT the art museum today. (present participle)

Is Visiting. 

Our class is visiting the art museum today. 

400

I think (Simple Past)

 I thought

500

has ended

 past participle

500

We WALK to the museum today. (present participle)

Are Walking. 

We are walking to the museum today.

500

They go (past participle)

they have gone.