Choose the correct form (infinitive with or without to or gerund):

My father gave up ... a long time ago.

Choose the correct form (infinitive with or without to or gerund):

I can’t stand ___ in the countryside.

Choose the correct form (infinitive with or without to or gerund):

We cannot ... our car here.

Choose the correct form (infinitive with or without to or gerund):

I am interested ... karate.

Choose the correct form (infinitive with or without to or gerund):

I can remember ... into the river when I was ten.

Choose the correct form (infinitive with or without to or gerund):

Tom insists on ...  a picnic this Sunday.

Choose the correct form (infinitive with or without to or gerund):

We arranged ... at four but at four thirty she still hadn't arrived.

Choose the correct form (infinitive with or without to or gerund):

I have finished ... this research paper. 

Choose the correct form (infinitive with or without to or gerund):

You must ... to my party.

Choose the correct form (infinitive with or without to or gerund):

Tom didn’t know what ... .