Irregular verbs in past
Identify the tense
Nationalities
Numbers
100

sing

sang

100

My sister always listens to music to do homework

simple present

100

Spain

Spanish

100

78

Seventy-eight

200

Bite

Bit

200

The baby is sleeping right now

present continuous

200

China

Chinese

200

505

Five hundred and five

300

See

Saw

300

Joe was watching a movie yesterday.

Past continous

300

Scotland

Scottish

300

1039

one thousand and thirty-nine

400

Teach

Taught

400

I've gone to Europe before. 

Present perfect 

400

Denmark 

Danish

400

20,999

twenty thousand, nine hundred and ninety-nine