Tom thanked his friends who supported him in the most unhappy time of his life. 

Tom thanked his friends who support him in the most unhappy time of his life. 

Tom thanked his friends who had supported him in the most unhappy time of his life. 

My roommate said that I had never tidied the flat up.

My roommate said that I never tidied the flat up.

My roommate said that he never tidyed the flat up.

Sarah argued to pay this money. 

 Sarah argued to no way pay this money to me. 

Sarah disagreed to pay that money. 

Mom praised my job and told me it was well done.  

Mom told it was a well done job. 

Mom told me that is well done and it is a good job.  

to talk

talk

talking

to lock 

lock 

locking 

watching 

to watch 

watch 

to afford 

affording