PRESENT PERFECT

(you / keep a pet for three years)

• You are kept a pet for three years

• You've kept a pet for three years

• You kept a pet for three years

• Did you kept a pet for three years

(you / eat Thai food before)?

• Have you eaten Thai food before?

• You eaten Thai food before?

• Did you eaten Thai food before?

• Have you eat Thai food before?

(it / rain all day)?

• Have it rained all day

• rained all day?

• Did it rained all day?

• Has it rained all day?

(who / we / forget to invite)?

• Who did have we forgotten to invite?

• Who did we forgotten to invite?

• Who have we forgotten to invite?

• Who has we forgotten to invite?

(he / not / forget his books)

• He hasn't forgot his books.

• He hasn't forgotten his books.

• He haven't forgotten his books.

• He did forgotten his books.

(she / steal all the chocolate)

• She have stolen all the chocolate.

• She stolen all the chocolate.

• She has stolen all the chocolate.

• She did stolen all the chocolate.

(he / study Latin)

• He have study Latin.

• He studied Latin.

• He have studied Latin.

• He has studied Latin.

(he / hurt his leg)

• He is hurt his leg

• He has hurt his leg

• He have hurt his leg

• He hurt his leg

(we / not / lose our tickets)

• We haven't losten our tickets.

• We hadn't lost our tickets.

• We haven't lost our tickets.

• We did lost our tickets.

(She / go / to the library today)

• She has gone to the library today.

• She have gone to the library today.

• She did gone to the library today.

• She gone to the library today.