and see if the problem persists vs and see if the problem persist

Some examples from the web:

• But if the Commission coughs up money just to see it sitting in a Member State's coffers gaining interest, the problem persists as far as the end-user is concerned.
• Geary encountered an error sending an email. If the problem persists, please manually delete the email from your Outbox folder.
• We are therefore advocating a new system of evaluation for Schengen in order to be able to identify problems, respond accordingly, and make decisions if the problems persist.
• These should help for the short term, but if the problem persists you definitely need to come back
• Will it make recommendations to the Turkish authorities or will it take tougher measures, for example stopping imports of potatoes, if the problem persists, until it is resolved?
• (b) that the problems persist even if the maximum ceilings applicable to co-financing rates of Annex III are used.
• If the problem persists unabated, will this have consequences for Bulgaria's accession to the European Union?
• And see if the beams are decorative or actually structural.
• And see if the First Lady will be available this afternoon.
• I go and see if the driver has come.
• We wait a few seconds and see if the enzymes Attach to the cortisol.
• I am going to zap the tissue and see if the muscle contracts.
• I could call Mike Romanow and see if the house is available.
• Look and see if the flaps are down.
• This being the case, we will look into the matter and see if we can give you a satisfactory answer, particularly on the problem of abuses.
• This aspect should be appraised again to take adequate intervention where the problem persists.
• If it is a matter of urgency, we shall see if the problem can be settled before Friday, but I am not sure whether it can.
• Is the reintroduction of the Greek drachma, the Portuguese escudo or the Spanish peseta a consideration if the problems persist?
• I'll order you some Benadryl and check back and see if the swelling's gone down.
• Go down to the florist and see if the hydrangeas are ready for delivery.

Some examples from the web:

• But if the Commission coughs up money just to see it sitting in a Member State's coffers gaining interest, the problem persists as far as the end-user is concerned.
• Geary encountered an error sending an email. If the problem persists, please manually delete the email from your Outbox folder.
• We are therefore advocating a new system of evaluation for Schengen in order to be able to identify problems, respond accordingly, and make decisions if the problems persist.
• These should help for the short term, but if the problem persists you definitely need to come back
• Will it make recommendations to the Turkish authorities or will it take tougher measures, for example stopping imports of potatoes, if the problem persists, until it is resolved?
• (b) that the problems persist even if the maximum ceilings applicable to co-financing rates of Annex III are used.
• If the problem persists unabated, will this have consequences for Bulgaria's accession to the European Union?
• And see if the beams are decorative or actually structural.
• And see if the First Lady will be available this afternoon.
• I go and see if the driver has come.
• We wait a few seconds and see if the enzymes Attach to the cortisol.
• I am going to zap the tissue and see if the muscle contracts.
• I could call Mike Romanow and see if the house is available.
• Look and see if the flaps are down.
• This being the case, we will look into the matter and see if we can give you a satisfactory answer, particularly on the problem of abuses.
• This aspect should be appraised again to take adequate intervention where the problem persists.
• If it is a matter of urgency, we shall see if the problem can be settled before Friday, but I am not sure whether it can.
• Is the reintroduction of the Greek drachma, the Portuguese escudo or the Spanish peseta a consideration if the problems persist?
• I'll order you some Benadryl and check back and see if the swelling's gone down.
• Go down to the florist and see if the hydrangeas are ready for delivery.