Present perfect vs. past simple

Včera jsem si koupila štěně.

• I have bought a puppy.

• I bought a puppy yesterday.

• I bought a puppy.

• I've buy a puppy yesterday.

Byli jsme u moře.

• We've been at the sea.

• We were at the sea.

• We have be at the sea.

• We be at the sea.

Minulé léto jsem si zlomil nohu.

• Last summer I break my leg.

• I have broke my leg last summer.

• I broke my leg last summer.

• I have broken my leg.

Už jsi udělal ten úkol?

• Has you done the HW yet?

• Have you done the HW yet?

• Did you done the HW yet?

• Have you do the HW yet?

Myla máma nádobí minulý týden?

• Have mum washed the dishes last week?

• Have mum wash the dishes last week?

• Did mum wash the dishes last week?

• Has mum washed the dishes last week?

Jel jsi na kole?

• Have you ridden a bike?

• Have you rode a bike?

• Have you ride a bike?

• Did you ride a bike?

Táta ještě nehrál PC hry.

• Dad haven't played Pc games yet.

• Dad didn't play Pc games yet.

• Dad hasn't played Pc games yet.

• Dad has played Pc games yet.

Děda neztratil klíče minulý týden.

• Grandpa didn't lose his keys last week.

• Grandpa hasn't lost his keys last week.

• Grandpa didn't loose his keys last week.

• Grandpa haven't lost his keys.

Můj kamarád nejedl pizzu.

• My friend didn't eat pizza.

• My friend hasn't eaten pizza.

• My friend haven't eaten pizza.

• My friend didn't eaten pizza.

Už jsi to udělal?

• Have you done it yet?

• Has you done it yet?

• Have you do it yet?

• Did you do it yet?