Stop to do sth. Stop to do sth. Want to do sth. Tell sb to do sth. Decide to do sth. Decide to do sth. Need to do something. Agree to do sth. Help sb to do sth. Practice doing something, finish doing something, find someone to do something, be good at doing something, be busy with something, mind someone doing something, mind someone doing something, be willing to do something. Do sth. Thank you for doing sth. How about letting us do sth? Feel that someone often does something. See/hear/feel someone doing something. It's better to do something. See/hear/feel that someone is doing something. See, hear and feel that someone is doing something. Do you want to do something? Would you like to do something? It's time for (someone) to do something. This is the first time to do something. For the first time, there is no time to do something.