Present perfect

(you / keep a pet for three years)

• You have keeped a pet for three years

• You have kept a pet for three years

• You has keeped a pet for three years

(you / eat Thai food before)?

• Have you eating Thai food before)?

• Have you eated Thai food before)?

• Have you eaten Thai food before)?

(it / rain all day)?

• Has it rains all day?

• Has it raining all day?

• Has it rained all day?

(who / we / forget to invite)?

• Who have we forgotten to invite?

• Who have we forget to invite?

• Who have we forgeted to invite?

(we / not / hear that song already)

• We haven't hearing that song before.

• We haven't hearded that song before.

• We haven't heard that song before.

(I / explain it well)?

• Have I explaining it well?

• Have I explained it well?

• Have I explains it well?

(who / he / meet recently)?

• Who has he met recently?

• Who has he meeted recently?

• Who has he meting recently?

(I / know him for three months)

• I've knew him for three months.

• I've knowing him for three months.

• I've known him for three months.

(what countries / they / visit in Europe)?

• What countries have they visit in Europe?

• What countries have they visited in Europe?

• What countries have they visiting in Europe?

(he / hurt his leg)

• He's hurted his leg.

• He's hurting his leg.

• He's hurt his leg.