Irregular verbs
Past participles
Present perfect: have + p.p.
Can, could, have to
Comparatives and superlatives
100

He never (go) to university.

He never WENT to university.

100

make

MADE

100

I (see) this film. (already)

I've already seen this film.

100

I (not can) stop!

I can't stop!

100

Uranus is (cold) Neptune.

Uranus is COLDER THAN Neptune.

200

She (meet) her husband at a café.

She MET her husband at a café.

200

see

SEEN
200

I (do) my homework. (already)

I've already done my homework..

200

She (can) swim when she was three years old.

She COULD swim when she was three years old.

200

Mercury is (small) planet.

Mercury is THE SMALLEST planet.

300

They (have) 10 children.

They HAD 10 children.

300

invite

INVITED

300

We (have) our puppy (for/since) two months. 

We've had our puppy for two months.

300

We (can / could / have to) stop because we are tired.

We HAVE TO stop because we were tired.

300

Venus is (SHINY) all the other planets.

Venus is SHINIER THAN all the other planets.

400

She (get) married when she (be) 22.

She GOT married when she WAS 22.

400

feel

FELT

400

She (not visit) her grandparents. (yet)

She hasn't visited her grandparents yet.

400

Sorry I'm late - I (have to) stop and get some petrol.

Sorry I'm late - I HAD TO stop and get some petrol.

400

Mars is (COLOURFUL) planet.

Mars is THE MOST COLOURFUL planet.

500

He (swim) 200 metres and (win) the race.

He SWAM 200 metres and WON the race.

500

fall

FALLEN

500

I (not eat) chocolate (for/since) Christmas.

I haven't eaten chocolate since Christmas.

500

I (can) finish my homework tonight if I concentrate.

I WILL BE ABLE TO finish my homework tonight if I concentrate.
500

Saturn is (FAR) planet we can see without a telescope.

Saturn is THE FARTHEST/FURTHEST planet we can see without a telescope.