Irregular Verb - ( Past Simple/ Simple Past Tense)

I (a)   ( read) the book last week.

They (a)   ( speak) French to the waitress.

He (a)   ( understand) during the class but now he does not understand.

I (a)   ( forget) to buy some milk.

She (a)   ( have) a baby in June.

You (a)   (lose) your key last week.

I (a)   (give) my mother a dress for Christmas.

They (a)   ( swim) 500m.

I (a)   (know) the answer the yesterday.

He (a)   (tell) me that he lived in California.